sludge
<span>Sewage treatment is also known as wastewater treatment. It is
a process whereby contaminant is removed from wastewater. Thus, chemical,
biological and physical process are commonly used to remove contaminants from
wastewater and the by-products of wastewater treatment is usually inform of
solid waste known as sewage sludge.</span>
Answer:
Question 1. (C. Gravity) Question 2 (A. Stays the same) Question 3. (C. The Sun)
Explanation:
Question 2: I say this because it depends on where the planets are orbiting. Because planets closer to the sun <u>will always</u> have shorter years and and planets farther from the sun <u>will always</u> have longer years.
The other two question Im am 100% positive Im correct. So if someone knows Im correct or incorrect on question 2 please comment the answer below!
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Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.
Explanation:
can u mark me brainlyest
Answer:
Flora refers to plant life, while fauna refers to animals!
Explanation: