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k0ka [10]
3 years ago
11

PLEASE ELP ME

Biology
1 answer:
FinnZ [79.3K]3 years ago
7 0

Answer:

8A

Explanation:

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What evidence for the age of the Earth is indicated by the fact that sedimentary rock is found on mountain tops? that the Earth
Ket [755]

The correct answer is - That some force lifted the rocks from the water.

The fact that there's sedimentary rocks on the tops of the mountains is an evidence that there has been some force that managed to lift upwards parts of the seafloor. Taking into consideration how slowly this force manages to lift up parts of the Earth, we can easily assume that the Earth is very old. The amount of time that is needed for a part of the seafloor to be lifted few thousand meters upwards is counted in tens of millions of years, thus giving us evidence that the Earth has been around for a very long time.

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3 years ago
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Rna polymerase moves in which direction along the dna? 35) ______
yulyashka [42]

The answer is C. This is because nucleotide elongation involves the addition of a nucleotide to the 3 prime carbon of the previous nucleotide carbon ring. This involves a dehydration reaction between the phosphate group on the 5 prime carbon of the last nucleotide to the hydroxyl group of the 3 prime carbon of the previous nucleotide.






4 0
3 years ago
What has allowed animals to adapt over time?
jeka94

Natural selection ensures that animals with features that increase their chances of survival are more likely to live and pass those traits on to their progeny.

Animals adapt to their surroundings over a lengthy period of time, which causes those changes. The evolution of adaptations happens across many generations.

<h3>What is an adaptation?</h3>
  • A physical or behavioral characteristic of an animal that enhances its ability to survive in its environment is known as an adaptation.
  • To put it another way, an adaptation is something a species does or has on them that makes it easier for them to locate food, water, mates, and shelter.
  • Among the adaptations that helped animals live and prosper on land are:
  1. Gas exchange using a moist membrane
  2. The ability to traverse land (limbs instead of fins)
  3. The capability of body water conservation
  4. The capability of reproduction and early habitability
  5. The capacity to endure fast environmental changes
<h3>What are the types of adaptation?</h3>

Depending on the environment, there are three basic types of adaptations: behavioral, structural, and physiological.

  • Physiological- When an animal's body's internal mechanisms adapt to its surroundings.
  • Structural - Over the course of millions of years of evolution, the animal's bodily features alter.
  • Behavioral - Animals adjust their behavior in reaction to their environment.

To learn more about adaptations visit:

brainly.com/question/22557205

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6 0
1 year ago
What is the correct order of mechanical events associated with cardiac muscle contraction?
adelina 88 [10]
Missing choices:

a) Calcium entry into the sarcoplasm, calcium binds to troponin, muscle contracts, closing of calcium channels, calcium released from troponin, muscle relaxes

b) Calcium entry into the sarcoplasm, muscle contracts, calcium binds to troponin, closing of calcium channels, calcium released from troponin, muscle relaxes

c) Calcium entry into the sarcoplasm, calcium released from troponin, muscle contracts, closing of calcium channels, calcium binds to troponin, muscle relaxes

d) Calcium entry into the sarcoplasm, closing of calcium channels, calcium binds to troponin, muscle contracts, calcium released from troponin, muscle relaxes

My answer: d) Calcium entry into the sarcoplasm, closing of calcium channels, calcium binds to troponin, muscle contracts, calcium released from troponin, muscle relaxes
8 0
3 years ago
because you may come in contact with organisms you cannot see (microbes), what safety procedure must be followed?
Elan Coil [88]

Hello there!

Usually, the procedures you should follow is using hand sanitizer or just washing your hands. That can help remove some microbes, but it is inevitable to not get any germs on you

^Hope it helps

4 0
3 years ago
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