How did Pasteur help to disprove spontaneous generation?

a. He discovered that only bacteria and flies grow through spontaneous generation.
b. He examined covered and uncovered meat and determined that maggots come from eggs.
c. He determined that air was not necessary to cause meat to rot and spoil.
d. He showed that liquids would only grow bacteria when other bacteria were first present.

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.