What can you infer from the fact that there is the same amount of water on the planet now as there was one billion years ago?

Question

Group of answer choices

There will be much less water on earth one billion years from now.

There will probably be the same amount of water on the planet a billion years from now.

The total amount of water on earth changes gradually over time.

There have been many fluctuations in the water cycle over the last billion years.

Answer 1

The total amount of water on earth is relatively constant and does not change significantly over long periods of time.