Select the best ending to the following statement: The tides are considered an example of shallow-water waves because the tidal bulges have a wavelength that is on the order of __________.
Answer:
thousands of kilometers.
You have just bought your dream home along a coastline, but you notice that the beach in front of your new house is slowly disappearing. You decide to solve this by building a groin. Winds blow predominantly from east to west, so where do you place your groin? Group of answer choices
Answer:
The groin should be built perpendicular to the shore, and to the west of your house.
Explanation:
The groin will prevent beach erosion over time. And will help to stabilize the beach, if built correctly.
The winds will speed up the longshore drift process, and that is why the groin must be built to the west, to trap the sand and sediments before its washed away.
A beach groin is expected to last for about 40 to 50 years, so the problem would be solved for at least your entire generation.
A prism- or wedge-shaped, structurally complex zone of faults, folds, and mostly metamorphosed rocks that form along the upper parts of a subduction zone where sedimentary material and oceanic crust are scraped off the downgoing slab is called a(n):_____________.
Answer:
Accretionary prism
Explanation:
An accretionary prism or accretionary wedge is a mass of sedimentary material that is scraped off the descending slab at the boundary of a convergent plate
The sediments are pushed into thick vertical piles, where the pressure expels water from the sediments and converts them into rocks.
Which of the following is NOT associated with sedimentary rocks? Group of answer choices cementation fragmented parts of preexisting rocks extrusion of magma stratification skeletal remains of coral
Answer:
The correct answer is extrusion of magma.
Explanation:
Extrusion of magma is not a type of sedimentary rocks, but a type of igneous rock.
Sedimentary rocks are mainly composed of sediments deposited from air or water, while igneous rocks make it from molten magma.
The process of formation of extrusive rocks is carried out when the hot magma coming from inside a volcano, it comes to the surface through cracks, and when it reaches the surface of the earth it cools quickly, hardening and forming this type of rocks .
It can also happen that on its way out, magma melts other rocks, and when all this cools it forms this new type of rocks.
On the other hand, sedimentary rocks are formed by small particles of minerals or other rocks that go through processes in which a rock is broken, transported by ice, water or wind and after several processes it becomes a new rock.
Two, small, poorly drained lakes lie close to each other in a northern forest. The basins of both lakes are composed of the same geologic substratum. One lake is surrounded by a dense Sphagnum mat; the other is not. Compared to the pond with Sphagnum, the pond lacking the moss mat should have:
A) lower numbers of bacteria.
B) less-acidic water.
C) reduced oxygen content.
D) reduced rates of decomposition.
Answer:
The correct answer is C)
Explanation: The lake with no Sphagnum mat has less disolved oxygen. The moss is a plant which generates and liberates oxygen as part of its metabolism. The oxygen disolves into the whater of the lake which has this Sphagnum mat, giving it a higher concentration of disolved oxygen than the other one.
The Spratly Islands are small and barely above water at high tide, but they are geopolitically important. Many countries in the region and beyond, including the Philippines, Malaysia, Brunei, Vietnam, China, and Taiwan, have claimed territory here. Why are these islands geopolitically significant?
Answer:
The Spratly Islands are geopolitically significant because of the oil and natural gas deposits found in the bed of its territorial waters.
Explanation:
The Spratly Islands are an archipelago in the southwestern part of the South China Sea. The islands do not have a resident population, ports or harbors, but there are four airports. Currently, the archipelago is used as a fishing area.
The territory of the islands is disputed by six states: Vietnam, China, Taiwan, Malaysia, the Philippines and Brunei. Despite their tiny size, the islands of the archipelago are important in terms of presence in the region. In addition, studies indicate the presence of a significant amount of oil and gas. According to the US Department of Energy, up to 5.4 billion barrels of oil and up to 55.1 trillion cubic meters of natural gas are concentrated in the Reed Bank area of the archipelago.
About 45 islands are occupied by relatively small military contingents from Vietnam, China, Malaysia, the Philippines and Taiwan. The Brunei fishery area includes the southern reef, but Brunei has not made any official territorial claims.
How does erosion affect streams?
Answer:
Erosion affects waterways in different manners. If it is high, particles produced by erosion go to river banks or river beds. Many places will be under water if there´s a flood. Erosion also may affect river navigation because it can cause deposits of solid particles that alter a canal´s depth or shape.
Explanation:
In geology, the term "transform fault potential" denotes the extent to which one tectonic plate could be moved along a major transform fault line, such as California’s San Andreas, by an instantaneous strain release, commonly known as an earthquake.
(A) the extent to which one tectonic plate could be moved
(B) the extent to which one tectonic plate could move
(C) the extent that one tectonic plate could be moved
(D) the extent of one tectonic plate moving
(E) the extent of the movement of one tectonic plate
Answer:
(A) the extent to which one tectonic plate could be moved
Explanation:
The transform fault is a zone where the two plates slide past one another and thus the result in the displacement of the large landmass. Due to the presence of the earthquakes and the formation of thin valleys and the splitting of the river beds such as in the San Andreas fault. And the transform fault potential is the potential that the tectonic plates can e be moved to the extent that the earthquakes can occur. The transform fault is found in the oceanic basin and is offset by the mid-oceanic ridges. Thus they form an interactive zone of the dextral zone of the plate movements.what kind of economic system does morocco have?
Answer:
diversified, free, open-market system
Explanation:
Often crops are associated with regions other than the one in which they were developed. For example, the "Irish" or "Idaho" potato originated in the Andean Highlands. Corn of the American "Corn Belt" originated in _____a) West Africa.b) the Fertile Crescent.c) Central America.d) Southeast Asia.
Corn of the American "Corn Belt" originated in Central America.
The Corn Belt is a region of the Midwestern United States that, since the 1850s, has dominated corn production in the United States. More generally, the concept of the "Corn Belt" connotes the area of the Midwest dominated by farming and agriculture
Using the map of present-day oceanic plateaus and other submerged crustal fragments below, determine which feature is most likely to be accreted onto a continent. Use the information on the map above to guide you with regards to active margins.
The feature that is most likely to be accreted onto a continent is the Galapagos Rise.
1. Fossils on continents that are now separated by ________ support the theory of continental drift.
2. Continents closer to the equator have warmer climates, yet fossils of ______________ have been found on islands near the North Pole. This supports the idea that islands drifted from the equator.
3. Coalfields in ____________ match those found in North America, supporting the theory of continental drift.
Answer:
Oceans, tropical species, europe
Explanation:
The continental drift theory put forward by the Alfred Wegner stare that the continental land got separate by the drifting of the plates that the oceans mas as they were close together in the form of a supercontinent, and are now separated by the large ocean bodies like that of the Jigsaw fit. The tropical species that were found in the equatorial belt s are now found in the island that is near to the place the dominance of the movement of the tectonic forces and the flight to poles explained in his theory. The coalfields that found in North America are similar to that of the European landmass that got separated and drifts away. Thus the S shape of the atlantic oceans is characteristic of this.Fossils on continents that are now separated by oceans support the theory of continental drift.
Continents closer to the equator have warmer climates, yet fossils of tropical species have been found on islands near the North Pole.
Coalfields in Europe match those found in North America, supporting the theory of continental drift.
What does Continental Drift show ?The theory of continental drift states that the continents were once joined together in a single landmass, called Pangaea. Over time, Pangaea broke apart and the continents drifted to their current positions.
The fossils of tropical plants and animals on islands near the North Pole provide evidence that these islands were once located closer to the equator. This is because these plants and animals could not have survived in the colder climate of the North Pole.
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What was the first ocean the caspian sea lost connection with
Answer:
The Pacific ocean.
Explanation:
The Caspian sea is actually a lake, a remnant of an ancient ocean during the mesozoic, the Tethys Sea. This served as a connection between Pacific and Atlantic oceans. Later on, as the continental platforms changed locations, it lost contact with the pacific ocean at first, then with the atlantic, and it became an isolated water body.
In which of the following regions would you expect to find river biomes with HIGH levels of oxygen in the water? fast-moving, clear-water rivers in the Rockies slow-moving, muddy rivers in the Amazon fast-moving, muddy rivers in the Amazon slow-moving, clear-water rivers in the Rockies
Answer:
clear-water rivers in the Rockies
Explanation:
Near the shore, waves of transition begin to "feel bottom" and, as a result, the orbits of the water molecules in the wave become more __________. This process eventually causes __________ to form.
a. elliptical; swells
b. circular; breakers
c. circular; swells
d. elliptical; breakers
Near the shore, waves of transition begin to "feel bottom" and, as a result, the orbits of the water molecules in the wave become more elliptical. This process eventually causes breakers to form. Thus the correct option is D.
What are waves of transition?Waves that travel in liquid at depths larger than a twentieth of the wavelength but less than half the length are known as transitional waves. It denotes a more condensed set of Transition-related tasks that must be carried out or done.
The waves are refracted as they begin to "feel bottom," change in wavelength, and speed as they travel diagonally toward the shore. As where the wave crest hits shallow water, the wave bends in this direction.
Therefore, option D is elliptical; breakers are appropriate.
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Mass extinctions have occurred five times in Earth's history. The end Permian and Cretaceous extinctions were responsible for removing a large percentage of organisms from the planet. How do these extinctions contribute to the biodiversity we see today?
Answer: Extinctions greatly shape the biodiversity we see.
Explanation:
Mass Extinctions occurs when some massive climatic and natural conditions wipes away a certain specie of living organism.
Mass extinction is believed to be the reason why many animals can't be seen on Earth today, animals such as: dinosaurs, mammoth, Tasmanian tiger, West African Black Rhinoceros, dodo have all gone extinct.
Therefore Extinctions greatly shape the biodiversity we see today, and humans are saddled with the responsibility of preserving our current biodiversity we have.
This layer consists of plant residue atop the soil surface. On a forest floor, it may be leaves and twigs. In a field, it may be crop residue left after harvest. A) This layer forms the base geologic material in a particular location; it is sometimes called bedrock. B) This layer loses minerals and organic matter to the layer beneath it. C) This layer accumulates minerals and organic matter leached from upper soil layers. D) This layer consists of organic matter, humus, and inorganic minerals. E) It facilitates plant rooting, has high nutrient content, and holds water.
Answer:
D
Explanation:
The humus layer is found above the uppermost soil layer and consists mostly of organic matter that is in various stages of decomposition. The organic matter is mostly from plants but can also come from animals. In addition to the organic matter, there are also non-compacted inorganic minerals present. Underneath the humus layer, the topsoil begins and is the first official soil layer.
El Niño Choose one:
A. involves eastward-flowing warm surface currents that suppress the upwelling of nutrient-rich cold water along the coast of South America.
B. occurs when low pressure moves westward away from South America.
C. is regulated by air pressure cells shifting back and forth across the Atlantic.
D. can cause temporary climate changes on a 14-year cycle.
El Niño involves disrupting the usual upwelling of cold, nutrient-rich water along the South American coast due to eastward-flowing warm surface currents. Therefore, option A is correct.
El Niño is a climatic phenomenon akin to nature's intricate tango, where normally cold, nutrient-rich oceanic waters off South America succumb to the allure of warm, eastward-flowing currents.
This rhythmic disruption leads to atmospheric intricacies, triggering widespread shifts in weather patterns worldwide. Characterized by altered ocean temperatures and atmospheric pressures, El Niño orchestrates a symphony of climatic anomalies, affecting everything from torrential rains to parched landscapes.
Its far-reaching impact illustrates Earth's interconnected climatic dance, offering a vivid reminder of nature's delicate equilibrium and the profound influence oceans wield over our planet's meteorological performance.
Therefore, option A is correct.
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Final answer:
El Niño involves the eastward movement of warm water across the Pacific, reducing the upwelling of cold, nutrient-rich water and affecting global weather patterns.
Explanation:
The phenomenon known as El Niño is characterized by the eastward flow of warm surface currents in the Pacific Ocean toward South America. This disrupts the normal upwelling of nutrient-rich cold water along the coast, which has various ecological and climatic consequences. During an El Niño-Southern Oscillation event, the trade winds weaken or even reverse, pushing the warm water eastward, which inhibits the normal upwelling process. This can lead to a dramatic drop in marine productivity due to the lack of nutrients reaching the ocean surface, which impacts fish populations and other marine life. El Niño events also influence global weather patterns, causing heavier rains and drought in different regions across the world.
What is one result of the tectonic activity between the nazca plate and the south american plate
Answer:
The formation of the Andes Mountain Range.
Explanation:
They are the result of the subduction of the Nazca plate under the South American plate. They were formed at the end of the Cretacic period, during the Mesozoic era.
The Andes Mountain range forms a continuous highland for over 7000 km, and goes through 7 countries, making them the largest continental mountain range in the world.
Use the drop-down menus to answer each question. Which scale has 12 levels of intensity? Which scale is most useful for earthquakes of all sizes and distances? Which scale is good for small nearby earthquakes but not as useful for larger or distant ones? Which scale takes into account the movement of rocks along fault lines? Which scale rates earthquakes based on the amount of damage they cause?
Answer:
1. mercalli scale
2.moment magnitude scale
3.Richter scale
4.moment magnitude scale
5.Mercalli scale
Why do many deserts exist at 30° north and south latitudes?a. The temperature is much higher at these latitudes; therefore, moisture evaporates much more quickly. b. Horizontal mountain ranges exist just above these latitudes, resulting in large rain shadows. c. At this latitude, cold air falls downward and becomes warmer, which means it can hold more moisture. d. This is a low pressure zone where air ascends, taking the moisture with it. e. These latitudes receive more solar energy than most other latitudes, making them much warmer and dryer than other areas.
Answer:
the answer is e
Explanation:
The deserts exist at 30° north and south latitudes because these latitudes receive more solar energy than most other latitudes, making them much warmer and dryer than other areas. Thus, the correct answer is option E.
What are latitudes?Latitude is a coordinate in geography that specifies the north-south position of a point on the Earth's surface or another celestial body. Latitude is expressed as an angle ranging from 90° at the south pole to 90° at the north pole, with the Equator at 0°. Parallels, or lines of constant latitude, run east-west as circles parallel to the equator.
The majority of the world's deserts are found between 30 degrees north and 30 degrees south latitude, where heated equatorial air begins to descend. The descending air is dense and warms up, evaporating a large amount of water from the land surface. As a result, the climate is extremely dry.
Therefore, the warm and dry climate at 30° north and south latitude leads to the formation of desert.
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This is the name of the area that is made up- among other countries- albania
Answer:
Southeast Europe or The Balkans
Explanation:
Albania is on of the countries that makes up the region known as Southeast Europe. It's neighboring countries of Greece, Macedonia, Kosovo, and Montenegro are also form part of this region.
More specifically, Albania is considered to be a Balkan nation. This implies not only geographical location, but also culture and political ties with the other states of the region.
Which of the following factors could explain a gradual warming trend in a planet's climate?
A) a decreasing albedo.
B) a decrease in the amount of greenhouse gases.
C) a decrease in the brightness of the Sun.
D) a major volcanic eruption that increases the albedo of the planet by making clouds.
E) none of the above.
Answer: I think the correct answer is E) none of the above.
Explanation:
A gradual warming trend in a planet's climate can be explained by a decreasing albedo, which means the planet is absorbing more solar radiation due to a reduction in surfaces that can reflect sunlight.
The question asks which among the given options could explain a gradual warming trend in a planet's climate. The correct answer is A) a decreasing albedo. Albedo refers to a surface's ability to reflect sunlight. A decrease in albedo means that a planet is absorbing more solar radiation, leading to a warming trend. This can occur through natural changes such as the melting of ice caps or human activities like urbanization that replace reflective surfaces with darker, heat-absorbing materials. Unlike the cooling effects of aerosols from volcanic eruptions, as mentioned in option A, a decreasing albedo contributes to warming. In contrast, a decrease in greenhouse gases or the brightness of the Sun would lead to cooling, not warming.
Which of the following is a desert most likely to have? Choose one: A. high transpiration rates B. a location at latitude 60° N C. a location at latitude 30° N or S D. low evaporation rates
Answer:
It will be C. a location at a latitude of 30 degrees north or south.
What is the most common type of vegetation in southwest and central asia
Answer:
Desert Scrub.
Explanation:
Desert Scrub normally refers to a desert biome. However, it can also be used to describe several types of plants that grow on these habitats, such as the creosote bush or the rabbitbrush, and others.
These types of plants are capable of withstanding environments with very little precipitation like the southwest and central regions of Asia, which is mostly covered by great extensions of desert biome.
Which of the following statements best explains why a city on the windward side of a mountain gets more precipitation than one on the leeward side of the mountain ?
A.Cool, dry air descends and looses its moisture
B. Cool, dry air rises and looses its moisture
C.Warm, moist air rises and looses its moisture
D.Warm, moist air descends and looses its moisture
The first confirmed detections of extrasolar planets occurred in ____________.
a. 2009
b. the mid-20th century
c. the 1990s
d. the mid-17th century
Answer: c. the 1990s
Explanation: The exact date was January 9, 1992.
The first detection of extrasolar planets, or planets outside our solar system, was in the 1990s. The first such discovery was made in 1992.
Explanation:The first confirmed detections of extrasolar planets (planets outside of our solar system) occurred in the 1990s. This marked a major breakthrough in the field of astronomy, as it expanded our understanding of the universe beyond our own solar system. The first successful detection was made in 1992 when astronomers Aleksander Wolszczan and Dale Frail discovered two extrasolar planets orbiting the pulsar PSR 1257+12.
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All but one of the following properties of Uranus's rings makes them different from the rings of Saturn. Which property is the same for both planets?A) They are very narrowB) They are widely spacedC) They are very thinD) They are very dark
Answer:
D) They are very dark
Explanation:
The outermost ring of the planet Uranus turns out to have a bright blue color making it only the second blue ring to be found in the solar system. The first circles the planet Saturn. Both the colour of these rings are associated with small moons which could be as a result of subtle forces acting on dust. The outer ring of Saturn is blue and has [the moon] Enceledus in its brightest spot. Urans on the other hand has its blue ring right on top of [the moon] Mab's orbit
According to Milutin Milanković, which of the following are a contributing factor to ice-age cycles? Choose one: A. increased amounts of volcanic ash B. variations in the shape of the Earth's orbit C. variations in ocean temperature D. sunspot cycles
Answer:
not sure, but most likely answer b: variation's in the shape earth's orbit
Explanation:
Answer:
B. variations in the shape of the Earth's orbit
Explanation:
Ice age cycles according to Milutin Milanković who was a Serbian geophysicist and climatologist can be defined as the glacial and interglacial cycles or periods which occurs due to the unsteady movement of the Earth in its orbit. This unsteady movement resulted in a change in way solar energy was been distributed on the surface of the Earth.
The ice age cycles are referred
to as Milutin Milanković cycles. The ice age cycles according to Milutin Milanković has two cycles, the shorter cycle is for an average of 100,000 years while the longer cycle is for an average of 413,000 years.
These ice age cycles are important because they have an effect on the Earth's climate. Such effects include
a. The way ice is been formed on the earth.
b. The distribution of solar energy from the sun or the amount of sunlight exposure to the regions on the earth.
One of the factors contributing to the ice age cycles is the variations in the
shape of the Earth's orbit.
Assume that you have just examined several flat-lying sedimentary layers. After much study you determine that there is a considerable span of time for which no sedimentary rock layer exists at this site. You have just discovered a(n) __________.
a. angular unconformity
b. series of conformable strata
c. disconformity
d. example of cross-cutting relationships
Answer: c. disconformity
Explanation:
Disconformity is a type of unconformity between parallel layers of sedimentary rock indicating interruption of sedimentation. It maybe caused by erosion or a period of no deposition. Therefore, on the site above the considerable span of time for which no sedimentary rock layer exists is an example of disconformity.