Question

Which of the following statements is true?

A. There is more water on Earth now than there was millions of years ago.
B. There is less water on Earth now than there was on Earth millions of years ago.
C. There is no way to tell how much water was on Earth millions of years ago
D. There is the same amount of water on Earth now as there was millions of years ago.

Answer 1

@agent0smith @AlexaByers98 @ganeshie8 @Hero @Koikkara @Reaper534 @Warriorz13

Answer 2

My best thought is either B or C what do you think?

Answer 3

There would probably be more now, because of meteoroid collisions with Earth, which might have been carrying deposits of ice.

Answer 4

True but then what all that evaporates doesn't come down

Answer 5

And then what about the water we use to make foods and drinks
They get turned into waste but not back into water

Answer 6

Just thinking

Answer 7

actially there is less water becasue many just waste it

Answer 8

^that is still water, and water that evaporates generally does come back down to earth

http://www.thenakedscientists.com/HTML/questions/question/1889/

Answer 9

Wasted water does not = water that is literally gone from Earth.

Answer 10

I agree with @Reaper534

Answer 11

Yah @agent0smith is right on that ^^^

Answer 12

i went to a weather program and they told us that water is going by fast

Answer 13

they told us that there is less water

Answer 14

OK

Answer 15

Water can't leave earth, except via escaping from the upper atmosphere, or breaking down into hydrogen and oxygen. If you waste water, you haven't actually removed water from earth, it's still very much here.

Answer 16

So whats the answer?

Answer 17

D

Answer 18

Google it and you'll get varying answers.

Answer 19

Is it A or b?

Answer 20

I ment B or D?

Answer 21

I did, it didnt help me

Answer 22

The answer is D

Answer 23

d

Answer 24

based on what smith said and he is smarter than anyone here its probably D then

Answer 25

D

Answer 26

B?

Answer 27

Thanks everyone :)

Answer 28

^that's exactly my point... you shouldn't be able to find a correct answer. There's no way to be sure. Teachers shouldn't ask this expecting one correct answer.

Idk. Either A, B or D is reasonable. Comets bring water, some probably escapes. Probably about the same amount of water, so i guess D... but who knows for sure.

Answer 29

It was D :)

Answer 30

The answer being D does make D correct, tho, it just means that's what the teacher decided on. A or B are possible too.

Answer 31

OK