Answer:
The answer is c
Explanation:
the the immune system protects the body against harmful pathogens by producing special proteins called antibodies.
Answer:
one way to increase the deposition is to decrease the amount of vegetation living near the stream. This then causes erosion of all the sediment near the stream.The stream then carries all the loose sediment.
Echinoderms are not arthropods like the others. Starfish and sand dollars are echinoderms.
