Your answer would be... B. The climate on Earth has changed over time.
in the earth's atmosphere is made up about approximately 78 percent nitrogen and 21 percent oxygen.
S PHASE
<span>Cell division involves the different phases such as G1, G2, M and S phase. Cell division is the mechanism of cells to divide into other cells. Two types of cell division is popularly called the mitosis and meiosis. There basic difference is how they function and how many chromosomes their daughter cells have. </span>
Since the formation of the San Andreas Fault system 25-30 million years ago, the juxtaposition of the Pacific and North American plates has formed many faults in California that accommodate lateral motion between the plates.
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Answer:
Atoms and molicules
Explanation:
Positive, negative, and nutrol atoms mix together and make up everything
the world and that also includes making living things.
