Respuesta :
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
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