Answer:
A/D
Explanation:
D, Fertilizers put more sulfur in the ground than their should be.
A, fossil fuels, could also be the answer. When we combust fossil fuels we release the sulfur in them into the atmosphere when they should not be in the air.
It helps classify animals according to their needs.
Hope this helps!
-Payshence xoxo
Answer:
Carbon Dioxide
Explanation:
Plant cells respire in the light and the dark, releasing carbon dioxide.
(brainliest please)
Answer:
B. because science only uses facts that are proven 100% true through the use of variable