The blanks are weathering so that's your answer
Answer:
A. fossils.
Explanation:
He compared fossils from each continent and realized that they have similar characteristics.
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Red blood cells shed their nucleus and DNA after maturing, so they cannot code for amino acids, and in turn, protein
Answer:
Most attenuated vaccines are viral, some are bacterial in nature. Examples include the viral diseases yellow fever, measles, mumps, and rubella, and the bacterial disease typhoid
Explanation:
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