Which activities? I want to say the nucleus as it is the control center of the cell, but this is a vague question.
The dispersed state of matter in blood is solid and the dispersion medium of blood is liquid.
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Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). However, from pole-to-pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. This shape, caused by the flattening at the poles, is called an oblate spheroid
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Answer:
A. Populations were separated through geographical isolation.
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