2006-07-06 20:21:47 · 13 answers · asked by Anonymous in Science & Mathematics ➔ Geography
think of a glass of water with a ice cube in it. Once you take out the ice cube the water level starts to decreas...thus more land mass.....and it is impossible for humans to tally all sea creatures since we can't see them all, just estimate...hence, we will never know how much water is on earth
2006-07-06 20:28:01 · update #1
When someone says that the earth is 70% water what is meant is that the oceans cover that much of the surface and the remaining 30% is dry land. Living things are not even considered.
2006-07-06 20:27:14 · answer #1 · answered by Raymond C 4 · 0⤊ 0⤋
Well if you are taking earth's volume that time also you are including all the creatures living in sea as part of that volume. so water contribute for 70% of the total volume and even if you exclude the sea creatures it is 70% of the earth's.
2006-07-06 22:36:43 · answer #2 · answered by gunjan priya 1 · 0⤊ 0⤋
The earth is about 1% free water by volume make that 2% if you include every other bit of water on the planet including the few liters in you and me. The largest source of water in living things would be in the plant kingdom. In the animal kingdom insects and bacteria would form most of the volume
2006-07-06 20:39:37 · answer #3 · answered by alyxsylvr 2 · 0⤊ 0⤋
The earth is not anywhere near 70% water so the sea creature factor is irrelevant.
70% of the earth's SURFACE is covered with water. Most sea creatures are below the surface the better part of their lives.
2006-07-06 20:27:36 · answer #4 · answered by martin b 4 · 0⤊ 0⤋
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2016-12-14 05:06:21 · answer #5 · answered by Anonymous · 0⤊ 0⤋
It's a very rough estimate of how the earth's surface is covered. It does not refer to volume at all. Roughly 70% of the earth's surface is covered in water.
2006-07-11 06:36:02 · answer #6 · answered by Privratnik 5 · 0⤊ 0⤋
The total marine biomass is miniscule compared to the total amount of water...probably not even measureable. Even without the creatures, the water would still be there!!
2006-07-06 23:41:37 · answer #7 · answered by Anonymous · 0⤊ 0⤋
the earth is composed of 75% water and 25% land.. sea creatures are not accounted for this.. :p
2006-07-06 22:22:57 · answer #8 · answered by Anonymous · 0⤊ 0⤋
If you have an 8 oz glass of water and you add 10 marbles, you still have 8 oz of water.
2006-07-07 04:35:21 · answer #9 · answered by Mr. Sacamoco 3 · 0⤊ 0⤋
sea creatures only make up about .0063 oercent of the water in the ocean
2006-07-07 10:25:41 · answer #10 · answered by Erich J 2 · 0⤊ 0⤋