B. CO2 levels in the atmosphere could increase and contribute to global warming problems.
Answer:
B
Explanation:
Proofreading" the new DNA strands in
DNA replication
A cell wall. Animal cells do not have a cell wall have plants have a cell wall.
Answer:
Thousands of meteorites, which are fragments of asteroids that fall to Earth, have been recovered. These primitive objects provide the best ages for the time of formation of the Solar System. There are more than 70 meteorites, of different types, whose ages have been measured using radiometric dating techniques.
Meteorites that fall to Earth represent some of the original, diverse materials that formed planets billions of years ago. By studying meteorites we can learn about early conditions and processes in the solar system's history.
Umm.. maybe my answer is not what you needed
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