Question

Which of the following is the best statement comparing the water of today with the water

that was here 100 million years ago? (1 point)
A) Water enters and leaves Earth duing evaporation and precipitation cycles.

B) The water present on Earth today is made of the same atoms but the molecules
have been recycled through biologic activity.

C)The atoms that made the water then were destroyed when they were used; the
atoms that make up water now were made more recently.

D)The molecules of water then are the same molecules that exist today.

Answer 1

A. Water enters and leaves Earth during evaporation and precipitation cycles.

Step-by-step explanation:

Answer 2

B

Step-by-step explanation:

C is wrong because, atoms cannot be destroyed or made according to the law of conservation of mass. D is wrong because water goes through many processes, like A states, but both are wrong because B is the most correct.