Answer:
i think system is correct
Explanation:
for example heart is an organ. it has muscle tissue .epithelial tissue . connective tissue nervous tissue
Answer:
just look at the krebs cycle
Explanation:
it has your answer
Answer:
C
Explanation:
Animals get nitrogen by eating plants or other animals that contain nitrogen. Wen organisms die, their bodies decompose bringing the nitrogen into soil on land or into the ocean. Bacteria alter the nitrogen into a form that plants are able to use
There are a couple reasons the ice is important to polar bears, but given the choices you have the correct one would be:
A. The polar bears can’t out swim the seals, so they sit quietly on an ice platform and attack the seals when they come up for air.