Answer:
A common form of fossilization is permineralization. This occurs when the pores of plant materials, bones, and shells are impregnated by mineral matter from the ground, lakes, or oceans. ... Sometimes the mineral substance of the fossils will completely dissolve and other minerals replace them.
The answer is B. <u>Soviet missiles in Cuba put the U.S. in an extremely dangerous position</u>, in the case of the deflagration of nuclear war the proximity of USSR missiles risked a surprise attack and the destruction of U.S. infraestructure before they had time to mobilize.
theories-explain, organize, predict hypotheses-testable prediction operational definition-clear procedures used to define and measure research variables replication is important because it helps us reassure ourselves that our outcome was correct and to see if we must change our hypotheses or correct something in our experiment