Question

(100 POINTS REWARD) Match the reservoirs to the respective elements according to the proportion the reservoir holds.

elements : ice, petroleum, human body, coal, water

reservoirs : CARBON RESERVOIRS OXYGEN RESERVOIRS

Answer 1

ice contains O, petroleum contains C, human body contains more O than C, coal contains C, water contains O.

CARBON RESERVOIRS - petroleum and coal

OXYGEN RESERVOIRS - ice, human body and water

Answer 2

carbon: petroleum, coal

oxygen: ice, water, human body