How much water is tied up in *humans* on Earth? Things you might need to know to calculate this:
- population of Earth
- % composition of water in the average human
- average weight of the average human on Earth
- give your answer in US gallons. I know that science deals with SI units but not today.

Here is

Explanation:

Segun la ciencia estamos hecho del 15% o 20% de agua por humano,La manera más básica (aunque no necesariamente la más fácil o precisa) de medir la población es simplemente contando a todos. Esto se conoce como un censo y generalmente es realizado por los gobiernos. Antiguamente, las organizaciones religiosas realizaban censos, pero generalmente a nivel local o regional  

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added