The Germ Theory states - A. diseases must be inherited from parents to show.
B. microorganisms are able to cause diseases.
C. life cannot come from nonliving factors.
D. viruses and bacteria have different mechanisms of infection.

When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Ascientific idea becomes valid when it is what?