Answer:
a. to defend against bacteria
Explanation:The skin helps protect the body and various body cells from infection. A break in the continuity of a skin can result into harmful germs,bacteria infection penetrating into the body system. Hence the skin is a protective covering from germs,infection.
Answer:
Surface water is a key component to the hydrologic cycle. Surface water is any body of water above ground, including streams, rivers, lakes, wetlands, reservoirs, and creeks. ... Water that seeps deep into the ground is called groundwater. Surface water and groundwater are reservoirs that can feed into each other.
I'm sorry but I really can't answer that
Good luck though
hi there
your answer to this response is
Solar Nebula. Our solar system began forming within a concentration of interstellar dust and hydrogen gas called a molecular cloud. The cloud contracted under its own gravity and our proton-Sun formed in the hot dense center. The remainder of the cloud formed a swirling disk called of the solar nebula.
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