Estimates show that the global human population was at approximately as of 10,000 BCE and grew to over by the Industrial revolution in the 1800’s. A. 500,000, 4 million
B. 4 million, 7 billion
C. 1 billion, 7 billion
D. 2 million, 1 billion

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

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the answer is d. none of the above