Answer and Explanation:
Demi Lovato created psychological maladjustment due to overdose of medications or illicit drug use.
Lovato opened about their battles with dependence and psychological well-being and it has shone light on it in different constructive ways.It is something big names once in a while do.the rundown of lovato shared is since quite a while ago: depression,addiction,disordered eating and bipolar disorder.She said ," If you are relieved it can want to mortify inability to concede that you need more help.People sharing accounts of sickness that end in with a joyfully ever-afters are frequently called bold for conceding their shortcoming and experience ,and obviously they are,but as a model of goals they can be obliterating simultaneously for others when a disease reappears or relapses,and even brief sentiments of disgrace or fears of looking for further help.
I don't understand principles of constant proportions can someone explain this concept to me and how it referes to salt in seawater.
The principles of constant proportions in chemistry state that a compound will always have the same proportion of elements by mass. In the case of salt in seawater, this means that the ratio of sodium to chloride ions will be the same regardless of the location of the sample.
Explanation:Principles of Constant Proportions in ChemistryThe principles of constant proportions in chemistry state that a compound will always have the same proportion of elements by mass. This means that the ratio of the masses of the elements in a compound will always be the same, regardless of the amount of the compound.
When it comes to salt in seawater, the principles of constant proportions mean that no matter where you sample seawater from, the ratio of sodium to chloride ions will be the same. This is because the composition of salt (sodium chloride) in seawater remains constant.
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The principle of constant proportions states that the elements in a pure chemical compound are always combined in the same proportion by mass. This principle applies to the salt in seawater, which is primarily Sodium Chloride, with a consistent proportion of Sodium and Chloride. It is also exemplified in the way certain salt-loving microorganisms thrive in constant salt conditions, and in the solubility equilibrium of salt in seawater.
Explanation:The principle of constant proportions, also known as the law of definite proportions, states that in a pure chemical compound, the elements are always combined in the same proportion by mass. This principle applies to seawater and its salt content. Salt in seawater is primarily Sodium Chloride (NaCl). Regardless of the location, the proportion of Sodium and Chloride in Sea Salt is always nearly constant, approximately 39.34% Sodium and 60.66% Chloride by mass.
For example, the principle is evident in the way certain microorganisms called halophiles ("salt-loving") thrive in marine environments where salt concentrations hover at 3.5%. Extreme halophilic organisms, like the red alga Dunaliella salina and the archaeal species Halobacterium, can even survive in hypersaline lakes such as the Great Salt Lake or the Dead Sea, which are several times saltier than the ocean.
Another facet of this principle can be seen in how solubility products work. The solubility of a substance, such as salt in seawater, can vary from essentially zero to infinity, producing saturated solutions when the solubility limit is exceeded. The equilibrium between the dissolved and undissolved salt is also part of this principle of constant proportions.
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1. Which of the following explains why Earth has seasons?
A. The Earth moves slightly closer towards and further away from the Sun throughout the year
B. The Earth is tilted relative to the ecliptic
C. The Earth is mostly covered in water
Answer:
B. The Earth is tilted relative to the ecliptic
Explanation:
Its due to the earth has an axial tilt of 23.5 degrees which is an inclined motion, relative to the orbital plane of rotation. This is the angle of obliquity of the earth from its center. For this reason, the earth has solstice in summer, winter, vernal and equinoxes and owning to the fact that the continents in the north have winter in the Northern hemisphere and continents in the south have summer. Without this tilt, the earth would have climatic extremes. Day and night time of the earth are also influenced by the same rotational motion.Discuss the Shinkansen Railway disaster and its effective management in terms of the Disaster Management Cycle.
Answer and Explanation:
Shinkansen this a bullet train are very high speed trains in Japan. The disaster was nearly saved to occur with legitimate and successful administration. On 11 December, a split was found in a train which was around 14 cm long. It is said that had it been 17 cm, the train could have been crashed and along these lines the calamity didn't happen just by 3 cm.
It was a five hour journey meanwhile a intern who was selling something seen an odd smell and conversed with the conductor about it. At long last it was explored and they additionally saw a bizarre sound at a station while boarding. at the point when the architects explored, they chose to proceed with the voyage saying everything is ordinary. At last the train halted at Nagoya station where the break was watched obviously. It additionally had sensors that could identify it
In spite of the fact that they halted before the break could turn out to be huge, if wrecking had happened, it could have caused gigantic devastation. Till now, the makers asserted that slug trains have zero percent plausibility to confront any mishap however this episode opened the eyes of all.
The stored form of glucose in the body is called
Answer:
Glycogen
Explanation:
Animals, including humans store this glucose fat in their cells, which are quickly available for energy. The excessive is stored in the liver, if you consume some extra carbohydrates the body stores the excess in the form of glucose. Mostly consisting of protein that comes from food about 300g per day. Human glucose is metabolized by glycolysis. The use of glucose in the cell in energy form is either by aerobic respiration, food sources of glucose can range from fruits, vegetables, and pulses. In plants, glucose is a product of photosynthesis also known as starch.The stored form of glucose in the body is called glycogen.
In animals including humans, glucose is primarily stored as glycogen. It is a polysaccharide made up of numerous glucose molecules connected by branches. In order to meet the body's energy needs during fasting or physical activity, the liver and muscles store glycogen. Glycogen undergoes glycogenolysis when blood glucose levels fall dissolving into individual glucose molecules to provide energy.
In contrast a process known as glycogenesis transforms extra glucose into glycogen during times of high blood sugar such as right after eating. This dynamic control of glycogen synthesis and breakdown keeps blood sugar levels stable and gives the body a ready source of energy.
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It is impossible to determine the "absolute" ages of sedimentary rocks because none of the grains in these rocks contain radioactive elements.
true or false?
Answer:
False
Explanation:
The given statement is false,the Aging of sedimentary rocks can be easily done with direct dating of the Volcanic Ash layers. Moreover, sedimentary are layered the older layers are at the bottom and the younger layer are at the top. Although sedimentary rocks do not contain radio active element but their absolute age can be determine by direct dating of the Volcanic Ash layers.
Consider a sample of water from a stream found to have an initial DO of 10.0 mg/L. It is placed directly into a BOD bottle and incubated for 5 days at 20C. After 5 days, the DO is found to be 5.0 mg/L. What is the BOD5 for this sample (mg/L)?
Answer:
The BOD5 for this sample is 5 mg/L
Explanation:
The BOD5 takes into consideration the difference between the initial DO and the final DO divided by the fraction of the sample tested in a 300 mL BOD flask. The problem states that the sample was directly placed in a BOD bottle so we assume that the volume used was 300 mL of the water sample. The fraction of water is 1 (300/300).
[tex]BOD5=\frac{DOi-DOf}{fraction}[/tex]
BOD5 = (10-5)/1
BOD 5 = 5 mg/L
The space shuttle orbits at 248 km per hour above the earth how often do the astronauts see the sunrise in minutes
Mass of the earth 5.97 times 10 to the 24th
Radius of the earth 6800km
G = 6.67times 10 to the negative 11 m cubed kg to the negative 1 s to the negative 2
Answer:
98.13 minutes
Explanation:
Given data:
Radius of the earth = 6800km.
Hence, Total radius of satellite orbit = 7048 km (6800+248) or 7048000m.
orbital period can be determine as
[tex]T = 2\pi \sqrt{\frac{r^3}{Gme}}[/tex]
where,
r = orbital radius,
m = mass of earth
and Ge = gravitational constant.
putting all value in above equation
[tex]T = 2\pi \sqrt{\frac{(7.048\times 10^6)^3}{(6.67\times 10^{-11}\times 5.97\times 10^24)}}[/tex]
[tex]= 6.28\times \frac{350.11}{39.82} \times 10^5[/tex]
[tex]= 58.88\times 10^2 [/tex]
= 5888 sec
= 98.13 minutes
if you start at the equator and travel to 10 degrees North latitude, approximately how many miles North of the equator will you be? Take the circumference of the Earth to be 24,900 miles. show calculations.
Answer:
691.666 miles north of equator will be
Explanation:
We have given circumference of the earth = 24900 miles
It is given that someone starts at the equator and travel to 10° north latitude
We know that if we complete one whole round of earth then we travel 360°
And we also know that 1 complete round is equal to the circumference of the earth
So in completing 360° we travel 24900 miles
So for 10° =[tex]24900\times \frac{10}{360}=691.666miles[/tex]
So 691.666 miles north of equator will be
List the major factors that affect atmospheric CO2on long geological time scales. Draw a simple box model of the influences on atmospheric CO2, showing the major reservoirs and fluxes. The model does not need to be quantitative.
Carbon dioxide or CO2 is one of the main greenhouse gases that accelerates global warming.
A greenhouse is a place where a particularly cold or hot climate is maintained.
Scientifics use this analogy with gases like CO2 because what they generate is a coat that keeps the sun's rays inside the oxygen layer, so these rays enter and heat the earth, unable to escape.
Industrial factories and cars are the largest carbon emitters. It all started in the Industrial Revolution
What would happen to shipping companies if the Gulf Stream stopped?
Answer:
Explanation:
The Gulf Stream can be define as the stream of water originates in the gulf of mexico and stretches to the Florida. It consists of warm water. It provides the protective warm shield of water over the Europe.
If the Gulf stream stopped the environment of the colder polar region will become more severe. This will result in crash of marine diversity along the US east coast. This can result in destruction of the food chains, situations of starvation for population depending upon fish food, and misery.
In which of the below cases would winds be closest to geostrophic balance?
A. In meridional flow at the surface near the Equator.
B. At the surface in the eyewall of a hurricane.
C. In zonal flow at the surface near the Equator.
D. In zonal flow, just above the PBL, near 50°N
Answer:
C. In zonal flow at the surface near the Equator
Explanation:
As these winds have a problem with the Coriolis force that is the rotation of the earth on its axis. Occurring in mid-latitudes aloft the air currents. This balance does not occur near the surface since the friction force is significant. The geostrophic winds develop in a well-defined layer of air i.e either hot or cold. In a geostrophic flow of water bodies instead of the winds moving from high to low pressure, due to the rotation of the earth. The major current sin the ocean like Gulf stream and Kuroshio, and Agulhas current are all approximation and examples of geostrophic current.EXPLAIN HOW METAMORPHISM CAN ALTER A ROCK CHEMICALLY AS OPPOSED
TO MINEROLOGICALLLY.
Answer:
The rocks are comprised of cracks and fractures in between the sediments and mineral grains that have the capacity to store fluid in them. This fluid is generally the water that contains various types of dissolved ions. These fluids in the rocks are very much important because the chemical reactions that take place include the change in mineral from one type to another new type. This can highly increase the amount of dissolved ions that are dissolved and transported by the water. This alteration of rock that occurs chemically due to these fluid refers to the process which is commonly known as the metasomatism. Whereas, the rock alters mineralogically due to the increasing temperature and pressure condition, that changes the grade of rocks.
This is how metamorphism alters the rock chemically in comparison to mineralogically.
Question 1 2 pts The answer to combat climate change is: Generate electricity from renewables All of the options given here Shift all our energy use to electricity Conservation and sustainability mindset
Answer:
As indicated by the IPCC, human-caused an unnatural weather change is driving atmosphere changes affecting both human and regular frameworks on all landmasses and over the seas.
Explanation:
Human-caused an unnatural weather change results from the expanded utilization of petroleum derivatives in transportation, assembling and interchanges.
The answer to combat climate change is: Generate electricity from renewables All of the options given here Shift all our energy use to electricity Conservation and sustainability mindset
Answer:
Conservation and sustainability mindset
Explanation:
Conservation and sustainability mindset is the answer that will allow us to combat climate change. Climate change occurs due to a variety of factors, but these are all linked to the irresponsible use of resources by humans. Climate change is allowed to continue because people do not think in a way that prioritizes sustainability, nor do they think about future generations. However, if they did, we would be a lot more likely to stop the threat of climate change.
why can't high quality energy resources such as oil be recycled?
Answer:
Oil is one of the most efficient and widely used energy resources. These are fossil fuels. When the ancient plant and organisms dies they accumulates at the bottom of the seas, which are then covered by the sediments such as mud and sands, forming various rock layers. These trapped organisms an plants after millions of years turn into fossils, by undergoing the fossilization process. These are non-renewable energy resources or conventional sources of energy. In addition to oil, coal, petroleum and natural gas are also some examples of non-renewable energy.
Thus, the high quality resources or energy such as oil, petroleum and natural gas cannot be recycled.
How do geologists determine where glaciers may have been in the past? What tools are required? What pieces of evidence are crucial to determine something like the existence of snowball earth?
Answer:
There exists continental ans valley glaciers who ages have determined on the basis of rock types and carbon datings
Explanation:
Glaciers were formed some 34 million years ago, in which first small glaciers were seen in Antarctica and that was 20 million years ago as the glaciers froze on to rocks and southern ice sheets were formed. The snowball earth existed from 2.4 to 2.1 billion years ago, at that time Huronian glaciation i.e oldest ice age was built on earth having unicellular mass. As in the earlier phase, the snowball was completely frozen and 250 million years after the big volcanic activity that spread the carbon dioxide into the atmosphere and created the greenhouse gases. Evidence can be taken from the quaternary period of glaciation some 2.58 million years ago. As the ice sheets have gone through the multiple periods of growth and retreat as in the interglacial period the ice melted and retreated. Roughly about 41,000 million years ago the tilting of axis of the earth had a major effect on the ice sheets around the globe.If light travels 1% times faster in air than in water, what is the n of water? Show your work.
Answer:
n=1,0101
Explanation:
considering n as the refractive index, then you can assume that the decrease of the speed, is because of the density of the medium where it's travelling, so we can translate this as :
[tex]n=\frac{c}{v}[/tex]
if your initial speed is C=100%V , then if it's decrease 1%, you have that V=99%.V (final Velocity)
[tex]n=\frac{c}{v}[/tex][tex]n=\frac{100V}{99V}[/tex][tex]n=\frac{100}{99}[/tex][tex]n=1,0101[/tex]I hope it helps you..
Why is the Far East considered as a land of contrasts and "untouched" resources? Explain.(please post at least 100 words)
Answer:
Far east is geographical term that refers to east asia including north east asia. Being rich in cultural and geographic realms of these countries have
Explanation:
Far east land is a land of the rising sun the Japanese coast and along with the eastern Siberia and Indonesian islands these lands belong to the variety of biodiverse resources in the world. Plus they have long traced the history of natural resources and abundance and most of these are untraced or undiscovered by man. For example the marina trench its proper depth still unknown to man. Parts of Russia and China and other nearby states have an untouched resource found in underwater reserves that harbor exotic species and possible changes of fresh marine life forms making far east as most of the valuable resource on earth.5. What objects did Galileo discover with his telescope that clearly didn't go around the Earth?
Answer:
answered
Explanation:
Galileo after discovering and observing the brightest planet of the solar system Venus, and its phases and then observing The moon and the Sun, confirmed that it was the Earth(planets) that revolved around the Sun and not the other way round.
Galileo used "spyglass" a device used to look into distant object and made it closer and larger to our eyes.
What types of geologic evidence support the existence of Pangaea?
What type of geologic evidence provides the greatest support for the hypothesis that the eastern coast of North America once joined with the western coast of Europe?
How do you think Wegener’s background as a climatologist contributed to his hypothesis that the continents were once joined?
Answer:
Evidences suggested are given below
Explanation:
Evidence given in support of the existence of Pangaea was given in Plate tectonic theory by Alfred Wegener.
1. The Jigsaw fit puzzle
2. Glacial ranges and mountain chains on various continents.
3. Formation and age of rocks, in southern hemispheres
4. Flora and Fauna evidence
Apart from this poleward moving forces and forces of the sun and the moon gravity and west wind drift have seen to be responsible for the formation of hypotheses. As he stated that the continent of South America and Africa were once part of the same Gondwana landmass, Similarly the North America eastern side and Western side of Europe were the same as the ones that were part of the Lurata i.e Northern super landmass. This can be found in the evidence given in the paleomagnetism theory. Wegener believed that the continental crust is formed from the slabs and these slab or plates are lighter in weight and float on thick liquid asthenosphere oceanic crust with the help of winds and ocean currents. Thus he concluded that rocks were once part of the supercontinent that broke with the moveGeologic evidence for Pangaea includes matching rock layers, fossils, and glacial evidence. The hypothesis of the eastern coast of North America joining with the western coast of Europe is supported by fit, fossils, and rock structures. Wegener's climatology background helped him notice similarities in climate and geological features across separated continents.
Explanation:Geologic evidence supporting the existence of Pangaea includes matching rock layers across continents, fossil evidence of similar plants and animals found in different continents, and glacial evidence including striations and till deposits.
The hypothesis that the eastern coast of North America once joined with the western coast of Europe is supported by fit of the continents like puzzle pieces, fossil evidence of similar plants and animals, and matching rock structures.
Alfred Wegener's background as a climatologist contributed to his hypothesis by observing that areas with similar climates, such as coal deposits in Antarctica, existed on continents that are now widely separated. This led him to consider the idea of continental drift, suggesting that these areas were once connected.
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describe different types of volcanoes, how do they form? can volcanoes change the climate if so how? can volcanic eruptions be predicted why?
Answer:
There are mainly 4 types of volcanoes.
Explanation:
1. Cinder cones: They are a bowl-shaped crater, build from particle or blobs of congealed lava that is ejected from a single gas vent, as the air is broken into small fragments that are solidified and falls as cinders.
2. Composite volcanoes: stratovolcano or composite cone are those that form a steep-sided, symmetrical cone of large dimensions built around by lavas. Some examples are Mount Shasta in California, Mount Hood in Oregon.
3. Lava domes: There internal structure is defined by bulbous masses of lava, that are too vicious.
4. Shield volcanoes: These are built entirely by fluid lava, and flow p[ours in all directions.
A volcano can change its surrounding weather patterns but not the climate of a place as a climatic zone is composed of stable and static atmosphere like that of poles, tropics, and temperate lands, etc.
Not all volcanic eruptions can be predicted successfully as they are also triggered by an earthquake and the active or dominant type of volcano can be identified based on its previous eruption patterns.
what is the ducting play involved in the formation of the volcanoes of the Philippine islands
Answer:
Subducting forces played a crucial role in formation of the islands.
Explanation:
These are known as the formation of Archipelago. Many thousands of islands that constitute the philippine island are an Icelandic arc and volcanic in origin. That is supposed to have been formed after the subduction of plates that collided together such as the Eurasian plate, Philippine Sea, and the Indo Australian plate. Being made up of 7,000 island groups. countries situated around the pacific ring of fire. Consist of 11 small islands while the rest are large islands that cover 90% of the surface area of the philippine plate and Luzon alone covers about 40,541 square miles. The original Icelandic arcs are known to have been colloidal earlier with the Sundaland forming a series of Archipelago. Melting of molten lava in the earth's crust leads to the formation of a series of chains that are seen today as the philippine islands.If a 30 °C air parcel rises from sea level to 3000 meters altitude and cools at the dry adiabatic rate, what will be its temperature at 3000 meters? O 10 °C O-10 °C 20 °C
Answer:
[tex]0^\circ C[/tex]
Explanation:
Dry adiabatic lapse rate is defined as:
[tex]\Gamma = 9.8 ^\circ C/km[/tex]
The air rises 3000 m, that is 3 km.
If it cools [tex]9.8 ^\circ C[/tex] each km its temperature drops approximately [tex]30 ^\circ C[/tex]. From 30 to 0.
Which of the following formulas would you use to convert a temperature initially taken in degrees Fahrenheit to degrees Celsius?
Question 57 options:
C = F – 273
C = 9/5F + 32°
C = 5/9(F - 32°)
C = 5/9F - 32°
Answer:
C = 5/9(F - 32°)
Explanation:
If we compare the farenheit degree scales with the celsius degree scale, we find that the intervals between the same reference points are 180 ° farenheit and 100 ° celsius. 180 degrees farenheit are needed to cover the same temperature range of 100 degrees Celsius. From this information the unit factors of temperature change can be established.
Factor: 1 °C/1.8°F= 5/9
Also, to convert from ° F to ° C, we must subtract 32 degrees farenheit to reach the zero point of the celsius scale.
Then, the correct formula is:
C = 5/9(F - 32°)
Why is the earth considered a dynamic planet? What are its three concentric layers and there properties?
Answer:
Yes, earth is a dynamic planet and the three concentric layer are core, mantel and crust.
Explanation:
Earth is a dynamic planet as it changes regularly, and this dynamism is a product of the earth rotation on its axis and a regular flow of energy from the internal to the external surface of the earth. Earth being formed about more than 4.5 billion years ago. The formation has created various layers of within the earth so dynamic that they need to be understood by modelling the earth. Earth is itself a form of geoid and is composed of rare earth and various other life-supporting elements that are not found on other planets to date. Earth's three concentric layers namely Core, Mantle, and Crust are all wrapped around layers of rocks that have transition layers separated by some discontinuity zones. The crust has a composition of lighter silicic rocks, composed of both continental and oceanic rocks of different ages, similarly, the mantel is composed of molten rocks that in their due course of time have solidified to form the upper and lower mantle. There thickness changes with varying depths. The core is made up of rock that has heavy metals like nickel and iron and also divided into the inner and outer core with varying densities of 9900 to 12,200.Question 22 1 pts Vertical mixing only occurs in which sphere? a) Stratosphere b) Troposphere c) Mesosphere d) Exosphere
Answer:
Vertical mixing only occurs in b) Troposphere
Explanation:
The troposphere is the sphere that is characterized by vertical mixing of air masses and air currents. As a result of the turbulence created in top layers of air. Here the uneven heating and cooling of land and oceans create convection currents to rise upwards and create up and downward movement of with environmental lapse rate and averages 6.5 ºC/km. This helps to push the troposphere boundary upward. The planetary boundary of motion creates such type of layer of air that moves through the poles and rising air stop at the tropopause as its the region or zone of mixing of air currents as all convective activity stops here.1) A fold-thrust belt is associated with
Subduction
Continental Rifting
Oceanic Rifting
A transform fault
Answer:
A) Subduction
Explanation:
A) Subduction
Fold and thrust belts are form due to compressional stresses and are formed typically along a convergent plate boundary during continent-continent collision as well as in the sediments of the passive margin of the subducting plate. Subduction is the tectonic process at the covergent margins by which the slabs of oceanic lithosphere descend into mentle.
3. What happens and what results from an Earth's precession?
Answer:
Explanation:
The earth rotates on its own axis. When the rotational axis of the earth changes, it leads to precession. Earth's precession is a common phenomenon that has been observed by astronomers for a long time. The effect of changing axis of rotation would be the amount of solar radiation that would be received at any point on the earth.
Q3: Most of the present-day population of Arizona and the Southwest resides in the:
a. Colorado Plateau.
b. Transition Zone.
c. Southern Rocky Mountains.
d. Southern Basin and Range and Río Grande Rift.
Answer:
a. Colorado Plateau
Explanation:
It is home to a population of 2.1 million, who live in this region, the climate of this place is considered as semi-arid and total precipitation of 250 mm. Since prehistoric times this place is home to the little ice age settlers of 18 century. Similarly, other human activities such as grazing and livestock raising and the country have a good deer population. There has been a 13.24% increase in population since 2010, and the country capital Denver is estimated to be more than 35 lakh people. 81% white people, 20.7% Latin American and others 4% black people. Colorado has large African American communities and neighboring areas. The majority of the religion is Christian about 64%, 44% protestant, and 16% roman and 3% catholic. The economy is mostly dependent on agriculture.Q5: Which of these constitutes geologic evidence that Arizona has been wetter in the past than it is today?
a. Fossil dinosaur trackways.
b. Granitic rocks exposed deep in Grand Canyon.
c. Halite and gypsum deposits.
d. Mineralized rocks in fault zones that bound basins.
Answer:
D. Mineralized rocks in the fault zones that bound basins.
Explanation:
The geology of Arizona starts with the formation of the Precambrian period. When igneous and metamorphic rocks were overwritten by Yavapai and Mazatzal orogenies in the Proterozoic era. The Grenville orogeny in the east caused Arizona to fill with the sediments filling a shallow sea. The region oscillated between the terrestrial and shallow oceanic conditions during the paleozoic era multicellular life became common. The limestone forming a shallow sea, stare caves and important ore deposits, and marine deposits were common at this period. Arizona thus had extensive mineralization in veins, due to hydrothermal fluids.An aircraft flying from a region of lower air pressure towards a region of higher air pressure will ______altitude, and the altimeter will read an altitude _____than the plane’s true elevation, unless corrections are made to the altimeter.
lose; lower
gain; lower
lose; higher
gain; higher
Answer:
gain; lower
Explanation:
The unit of pressure is defined as 1013.25Millibars. This pressure is taken as the mean sea level. Expressed as the weight of air. Altimeter Is a device used to shoe air pressure, the distance of a point above the sea level. They are commonly used in navigation purposes and most types of altimeters are barometric. As the density of the air is lower at the higher altitudes. As the air is usually thinner at the higher altitudes. The GPS, for instance, can also provide an altimeter and used by skydivers.