What do scientists theorize about the origins of the Moon? Choose the most recent explanation.Group of answer choices

Moons like ours are commonplace among the planets and are drawn into orbit by strong gravitation on smaller bodies.

Identical forms of elements on both the Moon and Earth lead scientists to believe that Earth and Moon were formed.

That Earth collided with a Mars-sized body forming the Moon.

The Moon was originally a dwarf planet captured by the Earth's gravitational pull billions of years in the past.

Answers

Answer 1
Answer:

Answer:

C

Explanation:

Answer 2
Answer:

Final answer:

The most accepted theory on the Moon's origins, the Giant Impact Hypothesis, proposes that a Mars-sized body known as Theia collided with Earth approximately 4.5 billion years ago. This collision ejected material into Earth's orbit, which then formed the Moon.

Explanation:

The most recent and widely accepted theory about the origins of the Moon, known as the Giant Impact Hypothesis, suggests that approximately 4.5 billion years ago, a protoplanet roughly the size of Mars, known as Theia, collided with the nascent Earth. This violent collision resulted in a massive amount of matter ejecting into the Earth's orbit, eventually coalescing and forming what we now know as the Moon. This theory is supported by several pieces of evidence, such as the similar composition of certain isotopes on both the Earth and Moon and the Moon's low density compared to Earth, which suggests it came from the Earth's outer crust.

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Which of the following organisms Is most likely to obtain nutrition via photosynthesis?
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What would most likely happen to the carbon cycle if there were no more plants on Earth?Animals would consume more carbon.
More carbon would be released from fossil fuels.
Carbon would build up in the atmosphere.
Animals would perform more photosynthesis.

Answers

Plants use carbon to live, just like humans use oxygen.  It's a virtuous cycle sine humans breathe oxygen and expel carbon, and plants "breathe" carbon and expel oxygen.

If plants weren't there to "breathe" the carbon, it would just sit in the world, and build up in the atmosphere.
the answer would be ( c ) Carbon would build up in the atmosphere.

Natural selection is best described as _______.a. disruptive selection
b. stabilizing selection
c. a mechanism of evolution
d. directional selection
Regular distribution is observed for many organisms due to _______.
a. the need to maximize exposure to sunlight
b. the need to avoid predators
c. interactions between individuals
d. the plentiful availability of water

Answers

Q1. The answer is c. a mechanism of evolution.

Natural selection is the differences in survival and reproduction as the consequence of differences in phenotypes. According to Darwin's theory of evolution, natural selection is the only factor that affects a frequency of different variations and it is the only mechanism of evolution. 


Q2. The answer is c. interactions between individuals.

Organisms interact with other organisms or abiotic factors in some system. The interaction between individuals affects their regular distribution. For example, if two groups are in competition for resources, to maximize resource utilization, they will probably live in different areas or will defend territory. Also, some symbiotic organisms are expect to be distributed similarly.

Answer:

Questions 1 & 2 Are C

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The above picture represents the different stages a cell goes through in its "lifetime." Specific genes within the DNA, called inhibitors, stop the cell cycle in G1 phase. This process helps to keep the DNA unaltered and the cells dividing at the correct rate. If cells continue through the cell cycle, uncontrolled, _________ may likely develop.

Answers

The answer is a tumor.  

Tumors are characterized by cells that have a mutation in their DNA that causes them to reproduce unregulated hence proliferate and do not form true tissues.  Inhibitors, called tumor suppressors, act like a ‘brake’ in the cell cycle. Cyclins, on the other hand, are the ‘gas pedal’ for the cycle. The right balance ensures that cell cycle is well regulated.   When the DNA is a cell is damaged, the tumor suppressors are rectruited to stop any further progress of the cell cycle and the cell undergoes apoptosis.


Answer:

tumor

Explanation:

i took the test

Density-dependent inhibition is a phenomenon in which crowded cells stop dividing at some optimal density and location. This phenomenon involves the binding of a cell-surface protein to its counterpart on an adjoining cell's surface. A growth-inhibiting signal is sent to both cells, preventing them from dividing. Certain external physical factors can affect this inhibition mechanism. True or false?

Answers

Answer:

This statement is true

Explanation:

Different substances such as growth factors and nutrients affect the mechanism of density-dependent inhibition of growth as cells become more and more numerous

A valid conclusion that can be drawn from this experiment is that spindle fibers break down A.) At the centrioles B.) In the presence of dye C.) When marked by lasers D.) Where they are attached to chromosomes

Answers

The best and most correct answer among the choices provided by the question is the first choice.

We can draw from the experiment that spindle fibers break down at the centrioles.


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Why do you think species remain in a stage of stasis?

Answers

They stay in stage of stasis because they are adapted to sourrounding and environement and they can easily develop without any changes.