Answer:
Human diploid cells have 23 pairs of chromosomes. Because of independent assortment during meiosis I, there are 223, or 8.4 million possible gametes that may be created even if crossing over didn't occur.
<span>Apocrine sweat glands release sweat into hair follicles. Unlike the more common eccrine sweat glands, these are found only in the armpits, anogenital region, ears and eyelids of humans. Unlike eccrine sweat, apocrine sweat doesn't really contribute to cooling the body. Apocrine sweat contains more chemical compounds than eccrine sweat; these feed bacteria on the skin which produce a detectable odor. Apocrine sweat glands become active at puberty and are most active in times of stress and sexual excitement.</span>
Foreshocks may occur days, or even years, before the actual major earthquake itself.
Foreshocks are detected in almost half of all moderate to large earthquakes, and they are detected in over 70% of earthquakes that are above 7.0 in magnitude on the Richter scale. Foreshocks then lead to the main shock, which may be followed by after shocks, depending on the strength of the main shock.
The scientific study of the biological aspects of social behavior in animals or humans! Hope this helped.