b. The Nebular theory has been proven mathematically
c. Astronomers have observed protoplanetary disk around distant newborn stars.
d. None of the above
Answer:
tropical rain forests have much higher biodiversity than temperate forests.
Explanation:
Positive feedback is most like adding wood to a burning fire to increase the heat.
Positive feedback is a regenerative feedback process in which a segment of the output is combined with the input for the output to increase more. Components of a positive feedback loop include a stimulus or change, a sensor, a control center and an effector. Examples of positive feedback include the process of labor and childbirth and blood clotting.
Answer:
It is D. Genes and the environment.
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only a few mammals
many different types of species
many of the same species
B) 61.05 kJ
C) 63.09 kJ
D) 68.60 kJ