The answer would be D.
Enzymes activity increases as the temperature increase so, therefore the answer would be D.
but to be fair they all would work.
Plants give off oxygen (that we breathe)and breathe in our carbon dioxide that we exhale
Charles Darwin's evolutionary theory enables us to establish cause and effect in biology, including those associated with a person's overall character. The evolutionary biologist Theodosius Dobzhansky wrote: "Nothing in Biology Makes Sense Except in the Light of Evolution". It's a well-known statement on the evolutionary theory and their implications in all spheres of biology
