Answer:
its B bcz its driven by density gradient due to variation in temperature
Answer:
A. increased; Great Migration
Explanation:
When the migration began, 90 percent of all African-Americans were living in the South. By the time it was over, in the 1970s, 47 percent of all African-Americans were living in the North and West. A rural people had become urban, and a Southern people had spread themselves all over the nation.
Based on the fact that the single cell of the Amoeba can split in half, the correct answer is The student is correct; amoebas are probably alive because they have reproductive capabilities and create offspring through reproduction.
<h3>Why is the student correct about Amoebas?</h3><h3 />
An organism is considered to be alive due to various reasons and one of them is whether the organism has reproductive capabilities and can therefore reproduce and create offspring.
Even though the Amoeba is a unicellular organism, it can still reproduce asexually which means that it can reproduce without the need for another organism of its kind like it does when it splits itself in two.
Find out more on Amoebas at brainly.com/question/1217776
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he WEST SIBERIAN Plain stretches across northern India and is home to one-tenth of the world's population.