C I think is the answer but idk
Answer:
A or/and D
Explanation:
Environmental science is the study of how organisms interact with their environment so it can be either a or d. I would say a combination of both.
A very steeply sloped seafloor
Sanitary landfill burial technology could help to reduce the amount of
waste going into a landfill
Explanation:
The land which is carefully designed into the top of the ground where trash is easily isolated. The main purpose of landfill is to keep It dry and care try to not come in contact with air. It is not like a compost pile.
This method is introduced by England in 1912. It is also called controlled tipping. It is about 1- or 3-meter feet. It is covered with clay.
<span>Most of the nitrogen gas in Earth's atmosphere comes from _____.
</span>
<span>
D. the breakdown of carbon dioxide</span>
