First thing is Male gametes are called sperm and Female gametes are called eggs. So some physical differences are that the eggs are spherical in shape, much larger then sperm, and are immobile (they stay in the female reproductive organ during fertilization). Sperm are smaller, are in a cone shape, and have tails so the could move to the egg during fertilization.
They use absolute dating methods, sometimes called numerical dating, to give rocks an actual date, or date range, ... However, there are radiometric dating methods that can be used on sedimentary rock, including luminescence dating
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Explanation:
Earth's equator, axis, and orbit.
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An observed consequence of higher water vapor concentrations is the increased frequency of intense precipitation events, mainly over land areas. ... Furthermore, because of warmer temperatures, more precipitation is falling as rain rather than snow.
