Answer:
mitochondria
Explanation:
the mitochondria act as the powerhouse of the cell, creating energy for the cell to use.
The spinal cord is the structure that carries messages between the brain and other parts of the body.
Answer:
(1) Nitrite poisoning
(2) Its cause is elevated levels of nitrite in the pond or culture system water.
Answer:
Animals needs oxygen's to survive and plants need carbon dioxide to survive. The ozone layer reflects harmful UV rays from the sun to protect the things living on Earth.