How will changes in the base pairs affect the structure of DNA?

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

The science for classifying and naming organisms is known as

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction