Answer:
Explanation:
Proteins are important because they give you ability to fix broken bone or to grow.
Answer:
a gradual increase in the overall temperature of the earth's atmosphere because of the greenhouse effect caused by increased levels of pollutants.
Explanation:
Answer;
A. People eating salmon
Explanation;
-All of the materials an organism takes in are
returned to the ecosystem, while the organism lives or after it dies.The movement of matter through the living and nonliving parts of
an ecosystem is a continuous process, a cycle.
-Matter in an ecosystem may
change form, but it never leaves the ecosystem, so the matter is said to
cycle through the ecosystem.