Question

Name the following:

1.The solids that settle at the bottom of settlement tanks.

2. The process by which air in oxygen is taken inside the body and air rich in carbon dioxide is expelled from the body
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Answer 1

Answer:

1) sediment

2) respiration

hope it helps

Answer 2

Explanation:

1)A layer of accumulated solids, called sludge, forms at the bottom of the tank and is periodically removed

2)The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.