Answer:
1 migration
2 the northern regions have become warm
Answer:
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That they both had nearly the same hypothesis
I belive they studied rocks because that is what geological stands for.However they also studied glaciers and ice caps for seeds that contained pollen. The prehistoric 4imes often help us understand out history.
Granulocyte ( Polymorph.).
Commonest phagocytic white cells; can squeeze out of blood capillaries into tissues, have a short lifespan; made in the bone marrow.
Hope this helps!!!!!!