Hydroxyapatite is the major component of bone that contributes to its hardness.
Global winds rising near equator and cold air sinking near the poles
Explanation:
Naturalists began to focus on the variability of species; the emergence of paleontology with the concept of extinction further undermined static views of nature. In the early 19th century Jean-Baptiste Lamarck (1744–1829) proposed his theory of the transmutation of species, the first fully formed theory of evolution.
In classical Latin, though, evolution had first denoted the unrolling of a scroll, and by the early 17th century, the English word evolution was often applied to 'the process of unrolling, opening out, or revealing'. It is this aspect of its application which may have been behind Darwin's reluctance to use the term.
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Answer:
It's one time or maybe ttwo
Answer:
B. Chromosomes
Explanation:
This process is required to produce egg and sperm cells.
