Answer:
some traits become more common, others less. ... The traits that become more common are the ones that are “adaptive” or “increase fitness” (that is, a creature's chances of living longer and producing more offspring).
Friction always opposes motion.
<span>Whether it be through air resistance, or simple surface friction, the speed of a moving body always decreases when some frictional force acts on it. For objects sliding on a surface, friction is less than for objects at rest on the same surface
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AGCT. Adenine, Guanine, Cytosine, Thymine.
Extinction of species reduces the number of different species in ecosystems, hence lowering the diversity of living things.
sitting in a chair getting hit with a reflex hammer in the knee