Which statements correctly describe theories? Check all that apply. Theories may be revised over time.
Theories cannot help predict what may happen in the future.
Theories are proven facts.
Theories result from several repeated experiments.
Theories are based on a single hypothesis.
Theories explain observations and hypotheses
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the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate