It can effect many things including things in the area of the farm and the water. This happens when runoff occurs.
A nucleus is the central and the most important part of an object, movement, or group.
It is found in plant and animal cells and an atom.
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Answer:
DNA or protein can be used as a ''molecular clock'' that tells how long it has been since two species have diverged from a common ancestor. The fossil record is usually derived from sedimentary rocks laid down millions of years ago.