Answer:
Which statements regarding hypotheses are true? Check all that apply. Hypotheses are based on observations. Hypotheses are written when experiments are complete. Hypotheses are formed from testable questions. Hypotheses are tested with controlled experiments.
Answer:
1 c. pulmonary artery
2 c. capillary
3 d.90%
4 none of them its white blood cells aka leukocytes
5 artery
6 artery
7 d fights the infection
8 a form wounds scabs and clots
Planting vegetation and installing drainage pipes will help reduce erosion.