External migration takes place for educational or economic reasons as well, but often, it is politically motivated.
But, internal migration can be defined as the human migration within one geopolitical entity, usually a nation.
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Answer:
Red apples get their color from anthocyanins. ... When we look at a red apple, it's absorbing colors from the sunlight. It absorbs all the colors of the rainbow—except for red. The red light reflects off the apple and our brain and eyes work together to let us know what color we are seeing.
Answer:
D) Protein
The ribosomes are responsible for protein synthesis within a cell
The stationary front usually brings cloudy, rain clouds or snow, depending on the temperature.