Scientists believe that the oldest known fossil discoveries to date are that of _________.

A. ammonites
B. trilobites
C. Tyrannosaurus rex
D. stromatolites

Answers

Answer 1
a is the correct answer because the oldest fossil known as at the very bottom so they are ammonites
Answer 2
Scientists believe that the oldest known fossil discoveries to date are that of stromatolites. ca: 3.7 billion years old.

Related Questions

The palatine tonsils are located between which two structures

Answers

At the back of the throat is where the palatine tonsils are located. One of the tonsils is on the right side of the throat while the other tonsil is on the left side of the throat. The major roles of the these tonsils is to protect the body against gastrointestinal and respiratory infections.

Latoria is horseback riding when she falls and hits her head. after the accident, she has difficulty performing finely coordinated movements. latoria has most likely damaged her ____.
a. medulla oblongata
b. reticular formation
c. cerebellum
d. locus coeruleus

Answers

Latoria is horseback riding when she falls and hits her head. after the accident, she has difficulty performing finely coordinated movements. Latoria has most likely damaged her cerebellum.

Final answer:

Latoria has most likely damaged her cerebellum, which is responsible for balance, coordination, movement, and motor skills. The correct answer is option C, "cerebellum."

Explanation:

Latoria is horseback riding when she falls and hits her head, and afterward has difficulty performing finely coordinated movements. Given these symptoms, Latoria has most likely damaged her cerebellum. The cerebellum is the part of the brain responsible for controlling balance, coordination, movement, and motor skills. It receives messages from muscles, tendons, joints, and structures in our ear to manage these functions. The cerebellum can make necessary changes to motor commands, as seen when a person adapts their walking movement in water. When the cerebellum does not work properly due to damage or the effects of alcohol, coordination and balance are significantly impaired.

Process by which radiation from a planets atmosphere warms the planets surface to a temperature above what is would be without its atmosphere

Answers

Process by which radiation from a planets atmosphere warms the planets surface to a temperature is greenhouse effect.

What is greenhouse effect?

The greenhouse effect is a process that occurs when energy from a planet's host star goes through the planet's atmosphere and heats the planet's surface.

The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere.

The greenhouse effect is the way in which heat is trapped close to Earth's surface by “greenhouse gases.” These heat-trapping gases can be thought of as a blanket wrapped around Earth, keeping the planet toastier than it would be without them.

Learn more about greenhouse effect:

https://brainly.com/question/13706708

#SPJ6

The greenhouse effect is the process where a planet's atmosphere warps surface temperature by trapping infrared radiation through greenhouse gases, leading to a warmer planet than it would be without such an atmosphere.

The process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere is known as the greenhouse effect. This warming occurs because certain gases in the atmosphere, called greenhouse gases, are capable of trapping infrared radiation and reradiating some of it back to the planet's surface, thus raising the temperature. Earth's natural greenhouse effect, which is primarily due to water vapor and carbon dioxide, increases the average surface temperature significantly. Planets like Mars, with a very thin atmosphere, experience less greenhouse warming, while Venus, with its dense carbon dioxide atmosphere, experiences extreme greenhouse warming. Understanding the balance between incoming solar energy and the heat-trapping properties of greenhouse gases is crucial for determining the surface temperature of a planet. The Earth retains enough of this reradiated heat to prevent the oceans from freezing over, while Mars, which may have had a thicker atmosphere in the past, remains colder in its current state. The enhanced greenhouse effect due to human activities, such as the burning of fossil fuels, has become a significant concern because it is linked to global warming and climate change.

What is the most likely consequence of open pit mining on plant life? a. a dramatic reduction in the variety of plant species b. an increase in the number of plant species c. the complete loss of plant life in the area occupied by the surface mine d. a temporary decrease in plant populations

Answers

c) The complete loss of plant life in the area occupied by the surface mine.

Hope this helped!

Answer: c. the complete loss of plant life in the area occupied by the surface mine.

Open pit mining is a mining process that involves mining of earth surface, instead of underground layers. It is also, known as strip mining. It is done to extract ore and fossil fuels from the surface of earth. An open pit mining removes the subsurface soil along with vegetation growing on that surface.The mining site exhibits the mining pits, the soil in these pits changes constantly due to erosion. The soil looses it's fertility. This converts the mining site into a barren land.

Therefore, the complete loss of plant life in the area occupied by the surface mine is the most likely consequences of open pit mining on plant life.

The best way to reduce our unnecessary waste of energy is to improve _____.

Answers

our habits.

Simple tasks such as turning off the lights in a room when no one's in it can save energy tremendously.

Hope this helps!

Water held within plants returns to the atmosphere as a vapor through a process called _______________.

Answers

evaporation I think lol I forgot this

Nerve impulses leading to the brain carry information about cool temperatures on the skin. the nerve fibers sending these signals will most likely belong to which division of the nervous system? sensory (afferent) division somatic nervous system sympathetic division parasympathetic division

Answers

The answer sensory (afferent) division. The nerves are sensory because they perceive sensory stimuli, in this case, temperatures. Additionally, afferent nerves carry impulses to the Central Nervous System while efferent nerves carry impulse to muscles and glands in response to information brought in by afferent nerves.






What is the largest time period in the history of Earth?

Answers

The answer will be : Phanerozoic Eon because the geological time scale Eon is the longest period of time.

The history of life on Earth is recorded in _____.


rock fossils

animal behavior

a gene pool

Lamarck's notes

Answers

rock fossils history of life

Answer:

Option A

Explanation:

The rock fossils depict the history of life because they consist of several deposits of old age fossil in different layers of rock strata. The layer of rock strata which lies at the bottom of any rock deposits is the oldest layer. By examining this oldest layer one can determine the prevailing atmospheric condition at the time of its formation. Also, examining the remains of fossil can help us to understand the forms of life existing during that time.  

In this way all the layer of rock strata can be examined one by one from bottom (oldest) to top (youngest). This shall also allow us to understand the pattern of evolution of biological species with time.  

Hence, option A is correct

A cellular process called ____________ is responsible for programmed cell death.

Answers

Apoptosis. This is a process of programmed cell death that occurs in various organisms. There biochemical processes that lead to morphological cell changes of the cell. This changes are blebbing, cell shrinkage, nuclear fragmentation. This must be differentiated from necrosis. which is a form of cell death due to acute cellular injury. Apoptosis is a regulated process that serves as an advantage of the organism life cycle. Usually this can be initiated by intrinsic pathway when the cell kill itself when there are cell stressors and extrinsic pathway where death occurs due to signals from other cells. 

The ________ division of the nervous system carries motor commands to muscles and glands.

Answers

The answer is efferent division. The nervous system acts as an input-output system. The afferent nervous system conveys signals to the brain following a stimulus. After processing of the information, the brain sends out a signal in response. This response is carried by the efferent nerve to the requisite organ involved in the response.  






Final answer:

The motor division of the nervous system, part of the peripheral nervous system, sends motor commands to muscles and glands, divided into the somatic and autonomic nervous systems for controlling voluntary and involuntary actions.

Explanation:

The motor division of the nervous system carries motor commands to muscles and glands. This part of the nervous system is crucial for stimulating muscles to contract and glands to secrete hormones. It is part of the peripheral nervous system (PNS) and is further divided into two main systems: the somatic nervous system and the autonomic nervous system.

The somatic nervous system controls voluntary movements by acting on skeletal muscles, whereas the autonomic nervous system regulates involuntary activities, influencing glands, smooth muscles, and cardiac muscles. It includes further subdivisions like the sympathetic and parasympathetic systems, which are responsible for the body's fight-or-flight response and rest-and-digest activities, respectively.

Alcohol is eliminated from the body chemically unchanged in

Answers

Alcohol metabolism in general, occurs in two phases. It is changed when it goes through both stages. However, through the initial stage, it does not metabolize yet and a small fraction of it does not go through metabolism at all. Instead it is eliminated from the body chemically unchanged in breath, perspiration and urine. 
Final answer:

Alcohol is eliminated from the body through a process called alcohol metabolism, during which the liver breaks it down into carbon dioxide and water. This helps remove alcohol from the bloodstream. The rate at which alcohol is eliminated can vary from person to person.

Explanation:

Alcohol is eliminated from the body chemically unchanged through a process called alcohol metabolism. When alcohol is consumed, the liver breaks it down through a series of steps, involving various liver enzymes, to convert it into carbon dioxide and water. This process helps remove alcohol from the bloodstream. The liver metabolizes the majority of the ethanol circulating in the blood, and the rate at which alcohol is removed can vary from person to person.

Alcohol metabolism involves two main processes: oxidation and elimination. In the liver, alcohol dehydrogenase converts ethanol to acetaldehyde, which is further metabolized to acetate by aldehyde dehydrogenase. Acetate is then converted into carbon dioxide and water. This process, occurring primarily in the liver, helps eliminate alcohol from the body.

2. True or false? The Atlantic Ocean is the biggest ocean on Earth.

Answers

false. The Atlantic Ocean is the second largest of the world's oceans with a total area of about 106,460,000 square kilometers. It covers approximately 20 percent of the Earth's surface and about 29 percent of its water surface area.

False!

The Pacific Ocean is the biggest ocean on Earth. The Pacific Ocean is as big as all the other oceans put together.

Identify the two minerals shown that exhibit fracture as a dominant form of breakage

Answers

Two minerals that exhibit fracture as a dominate form of breakage are quartz and olivine. 

Among the properties used to identify minerals, we can mention the breaking tendency: cleavage or fracture.  The two minerals shown that exhibit fracture as a dominant form of breakage are quartz and olivine.

Many properties of minerals are used to identify them, such as color, density, hardness, among others. In this case, we are talking about their breaking tendency.

How do minerals break?

Minerals can cleave or fracture, which depends on how the sides separate and the formed angles.

A type of mineral breaks always in the same, and this is why the breaking tendency is useful to identify them.  

Cleavage

The mineral breaks in flat smooth planes.

Cleavage direction and smoothness of surfaces are significant when identifying.

Fracture

The mineral break in irregular planes.

In these minerals, there is no particular breaking direction.

Image analysis

According to this information, we can analyze the images and look for the answer.

Let us take, for instance, the potassium feldspat option. It shows flat and regular planes. So this is not a fracture, but a cleavage.

On the other side, quartz and olivine, do not seem to show any regular breaking side. The shape of these minerals is not well-defined and does not show any breaking direction.

The two minerals shown that exhibit fracture as a dominant form of breakage are quartz and olivine.

You can learn more about fracture at

brainly.com/question/22061284

brainly.com/question/2311110

If the sequence of nucleotide on mRNA template is AUCGUA then sequence of newly synthesized DNA strand would be?

Answers

The answer would be : UAGCAU.

U gets along with A and C gets along with U.

Hope this helps !

Photon

Answer:

The correct answer will be- T A G C A T.

Explanation:

The mRNA is the messenger molecule formed by the process of transcription from the anti-sense DNA strand as a template.

The mRNA usually contains code for the synthesis of proteins but can also synthesize the DNA by the process of reverse transcription. The complementary nucleotide will bind according to the Chargaff rule which states that A will bind T or U and G will bind C.

So, if mRNA strand is- A U C G U A

   DNA strand will be- T A G C A T.

Blood donations to the red cross are considered​ __________ products.

Answers

transfusable components
Final answer:

Blood donations to the Red Cross are considered public goods, which are products or services provided for the entire society's benefit. Such public goods are usually offered by governments or non-profit organizations.

Explanation:

Blood donations to the Red Cross are considered public goods. The term refers to products or services that are provided for the benefit of all members of a society. Public goods are usually provided by the government or non-profit organizations such as the Red Cross. When an individual donates blood, that blood is available for anyone who needs it, regardless of whether they have also donated blood. Hence it's a public good - a valuable product that serves the common interest.

Learn more about Public Goods here:

https://brainly.com/question/33609395

#SPJ12

What feature makes water a polar molecule? A. A water molecule is negatively charged. B.The middle of the water molecule contains opposing charges. C.The ends of the water molecule have opposite electrical charges. D.A water molecule is positively charged.

Answers

The ends of the water molecule have opposite electrical charges.

100% correct

Teacher Approved

Test Approved

The ends of the water molecule have opposite electrical charges...

list three things that an astronomer can learn about a star by studying its spectrum.

Answers

astronomers can learn it's temperature, state, and composition. 

hope this answers your question....!

A star's spectrum lines help to detect the various important studies related to the spectral lines of the stars. The temperature, composition and density of the star will help the astronomer.

What are the gases found in stars ?  

The major gases that are found in stars are hydrogen and helium which undergoes various reactions in order to produce energy and these energetic reactions are helpful in  stars twinkling.

The spectral lines is also helpful in diagnosing the magnetic field of the star where the temperature of the star in which it is present will also be shown by the spectral lines and the density of the star that is the volume present in the star is also shown by the spectral lines.

Therefore the major of 3 things that will be diagnosed with the help of the spectral lines are magnetic field, temperature and density of the star atmosphere.

Learn more about stars' Spectrum  at :

https://brainly.com/question/14442408

#SPJ3

Injuries and deaths from motorcycle collisions are primarily from

Answers

the size of the bike makes it a lot harder to see and due to there being little to no protection

Motorcycle crash injuries and fatalities are mostly caused by the riders' lack of protection and susceptibility when compared to the occupants of enclosed vehicles.

Thus, riders on motorcycles have little physical protection, making them vulnerable to direct impact and even ejection following a crash. The possibility of suffering serious injuries rises in the absence of safety equipment like seat belts, airbags, and a protective vehicle frame.

The visibility of motorbikes on the road also makes accidents with other cars more likely. Motorcycles' rapid speeds can play a role in collisions brought on by driving too fast, being careless, or losing control. Motorcycle incidents are more likely to cause significant injuries and fatalities.

Learn more about motorcycle incidents here:

https://brainly.com/question/32511295

#SPJ6

What is the ozone layer? Where is it?what purpose does it have ?

Answers

ozone gas is.made up of oxygen molecules that has three atoms (O3) it exists in polluted air. Ozone layer is located in stratosphere(one of the layers of earth's atmosphere) it is like a protective layer and prevents dangerous ultraviolet(UV)from reaching earth's surface

Answer:

The ozone layers is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. he ozone layer is mainly found in the lower portion of the stratosphere from approximately 20 to 30 kilometres (12 to 19 mi) above Earth. It's purpose is to protect us from the sun's ultraviolet rays which I said in the first sentence.

Hope this helps!

What would you expect to see on the eeg record of a person who is engaged in an episode of sleepwalking?

Answers

Somebody expects to see evidence of deep sleep which is in stage 4 on the EEG record of a person who is engaged in an episode of sleepwalking.

Sleepwalking is also called somnambulism.

It is termed as a phenomenon which is combined with sleep and wakefulness. It is sleep disorder which is classified to parasomnia family.
 Sleepwalkers they have no memory of the incident. It occurs during slow-wave sleep of eye movement sleep which is non-rapid.

Answer:

The correct answer is evidence of deep sleep (stage 4).

Explanation:

Sleepwalking or somnambulism is the condition found most commonly in the children between the ages 6 and 12. Though it is usually a harmless condition, however, spontaneous occurrences should be helped out with the help of a physician.  

In the condition, the person goes from deep sleep to light drowsiness in a general sleep pattern. The individual generally encounters with few rounds of REM and non-REM sleep, or brisk movement of the eye.  

Which of the following statements is true concerning the National Weather Service's ability to predict aerial flooding?

A. They can give good advance warning of how high flood waters will rise, but NOT when and where floods will occur.

B. They CANNOT give good advance warning of when and where floods will occur, or how high flood waters will rise.

C. They can give good advance warning of when and where floods will occur and how high flood waters will rise.

D. They can give good advance warning of when and where floods will occur, but NOT how high flood waters will rise.

Answers

the answer would be c

A normal human cell containing 22 autosomes and a y chromosome is a(n):

Answers

Y is a sex chromosome.

How can so many different substances and molecules be created from just over 100 different elements?

Answers

because even though there are only a hundred different elements, there can be over a thousand different combinations of these elements. these different combinations result in different substances and molecules.

HELP ASAP!!!
Here is Dan's address:

42 Oaksville Street, Apartment C
San Jose, California
USA

Imagine each of the five parts of Dan's address represents Earth, the Milky Way, the moon, the solar system, or the universe, based on their sizes. Which of the following parts of Dan's address would represent the universe?

A. California
B. 42 Oaksville Street
C. San Jose
D. USA

Answers

D. USA

The universe is the largest out of the Earth, moon, Milky Way, and solar system, and the USA is the largest part of Dan's address. 
The correct answer is D, USA

Where does a zygote implant after fertilization? Fallopian tube Vagina Uterus Ovary

Answers

Uterine Lining. so Uterus. If it implanted in the Fallopian tubes 'it would result in a ectopic pregnancy which would result in miscarriage.

Answer: Uterus.

Explanation:

The male and female gamete fuse together to produce gamete and the produced gamete is implanted in the uterus.

The growing fetus gets all the nutrition here for the growth of the fetus. The zygote gets attached to the uterine walls and stays there for development.

The growing fetus is delivered after nine moths and they stay in the womb for approximately 9 months.

During the process of cell division when does the nuclear membrane reform?
A. Prophase
B. Interphase
C. Telophase
D. Anaphase

Answers

The nuclear membrane dissolves during the prometaphase of mitosis, while it disintegrates during prometaphase I and prometaphase II of meiosis. The breakdown of the nuclear envelope is due to the addition of a phosphate group to nuclear lamins by the enzyme M-CDK in a process known as phosphorylation. 
The two types of cellular division in most multicellular organisms are mitosis and meiosis. Mitosis is the process of producing two diploid daughter cells, while meiosis is the process of generating four diploid cells called gametes, which are used for sexual reproduction.

Mitosis is divided into several phases, including prophase, prometaphase, metaphase, anaphase and telophase. As the intermediary phase between prophase and metaphase, prometaphase is sometimes considered part of prophase. The disintegration of the nuclear membrane into tiny vesicles signals the end of prophase and the beginning of prometaphase. When the envelope breaks down, the mitotic spindle fibers gain access to the DNA of the cell. The fibers then attach to the chromosomes at their kinetochores and begin moving to polar opposites of the cell.

Final answer:

The nuclear membrane re-forms in the phase of cell division known as telophase, separating the genetic material from the rest of the cell.

Explanation:

The nuclear membrane re-forms during the telophase stage of cell division. In this phase, the chromatin that had condensed into chromosomes begins to relax and the nuclear envelope forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm. This maintains a barrier that regulates the flow of substances into and out of the nucleus. Thus, option C: Telophase is the correct choice.

Learn more about cell division here:

https://brainly.com/question/29773280

#SPJ6

The radiosonde can be used to measure upper air temperature. Please select the best answer from the choices provided T F

Answers

Answer:

It's true

Explanation:

Radiosondes are used to measure temperature, pressure and humidity at heights above 30 km. They can also be used to determine the wind at heights. There are other radiosondes used to measure the sun's radiation, ozone distribution, air conductivity, etc. They are mainly used for research. Its units are hectopascal, degrees Celsius, etc.

The process in which two or more species become more adapted over time

Answers

I think the answer is evolution..

In which structure would a zygote occur in within the female reproductive system? A. Uterus B. Uterine wall C. Ovary D. Fallopian tube

Answers

The answer to this is D. The reason the answer is Fallopian tube is because zygote is the female egg fertilized by male sperm. 

Hope this helped :)
Other Questions
What factor of Roman civil society long outlasted the empire What kind of educational opportunities were available to African Americans by the late 19th century Without the support of federal troops, segregation in the South lasted from the time of Reconstruction untilA. around 1900.B. the early 1900s.C. the mid-1900s.D. the late 1900s. 5 years = ______ months The study of the sound system of language, including how words are pronounced is known as _____. Which shows the decimal 0.14 repeated expressed as a fraction in simplest form? What is a opportunity cost? A. something that you would like to have but can live without B. what you give up when you choose one thing insisted of an another C. a plan to help you track your earning and spending D. when you buy one thing instead of another. How many grams of n2f4 can be produced from 225g f2? I WILL GIVE BRAINLIEST!!!!A line is shown on the coordinate grid.Which is the equation of this line?Question 5 options:y = -1/3 X + 3y = -3x - 1y = 1/3 X - 1y = 3x + 3 Plasma is the ________.a. fibers in bloodb. matrix of bloodc. cell that phagocytizes bacteriad. cell fragment found in the tissue 18. the type of muscle cell under voluntary control is the ________.a. smooth muscleb. skeletal musclec. cardiac muscled. visceral musc part a: What volume of 10.0 M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? answer : 6.7mlPart B: The buffer from Part A is diluted to 1.00 L. To half of it (500. mL), you add 0.0200 mol of hydrogen ions without changing the volume. What is the pH of the final solution?answer : pH 7.28Part C: What additional volume of 10.0 M HCl would be needed to exhaust the remaining capacity of the buffer after the reaction described in Part B? In other words, how much more of this HCl solution is required to consume the remaining Tris in the buffer?HELP ME FOR PART C PLEASE!!! A sequence of DNA responsible for coding a protein? Frequency is the number of oscillations (or cycles) per 1)Minute 2)hour 3)day 4)second A circle has a circumference of 361. What is the diameter of the circle? describe a procedure humans may have used to produce broccoli, which has small flowers and thick stems? Neurons are classified by the (1 point) a. direction in which they carry impulses b. amount of metabolic activity that takes place c. number of dendrites that branch out d. number of impulses they carry If 82.3 l of an ideal gas is cooled from 46 degrees calius to -166 what will the volume of the gas become Factor completely. x212x+35 Enter your answer in the box. The transfer of energy from one living thing to another is called HELP WILL MARK BRAINLIESTUse the net to find the lateral area of the cylinderheight is 9inch and radius is 5inch