Answer: The process that happens during primary wastewater treatment is:
A. Insoluble particles are removed by settling.
Explanation: Settling is an operation that removes suspended particles in the water to be treated.
Answer:
no shape of molecules doesn't affect the chemical bond
Blood flows through your heart and lungs in four steps: The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle through the tricuspid valve. The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
Answer:
Moose may have evolved to become larger because they could better protect themselves from predators. What other factors might have caused this? Answers vary, but may include sexual selection, warmth, parasites and disease, etc.
Explanation:
Answer:
Gestation period is the fetal development period from the time of conception until birth.