Answer:
Correct answer is (a). Assimilation of immigrants into the existing population.
Explanation:
The frequency distribution will not change from generation to generation once a population is in Hardy-Weinberg equilibrium. However, on assimilation of immigrants into the existing population, the equilibrium will definitely change.
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1. Roman Catholics established frontier posts known as missions. The first choice is the right one.
2. Today, most Mexicans are Roman Catholic. The first choice is the right one.
3. Today, the majority of Mexicans are are Mestizos, or people of mixed European and Indian ancestry. The first choice is the right one.
4.In 1821, Mexico finally won its independence from Spain. France did not rule Mexico. The first choice is the right choice.
For these four questions, the answers are the first choices listed.
Sea that is the answer????????????
For continental U.S. the answer is never. Since the earth's rotation axis is tilted 23.5 degrees with respect to its orbital motion around the su, one would have to be less than 23.5 degrees above or below the equator to have the sun pass direclty overhead
The shockwave from an undersea earthquake causes 'ripples' in the ocean which are very large swells. When the bottom of the swell touches land, it must build up higher to maintain it's size. Therefore when it approaches the beach, water is drawn away from the beach to compensate for the ocean depth getting shallower under the tsunami swell. More water is drawn from in front of the swell than behind due to the movement of the swell.
