Answer: I think it is true because there are fossils found in all different layers.
Explanation:
C. Europe has a coastal location and many navigable rivers.
This geography allows for easy trade and commerce through commercial ships and boats.
Answer:
The Sahel is the ecoclimatic and biogeographic zone of transition in Africa between the Sahara to the north and the Sudanian Savanna to the south. Having a semi-arid climate, it stretches across the south-central latitudes of Northern Africa between the Atlantic Ocean and the Red Sea. Wikipedia
Area: 1.179 million mi²
The Sahel has a tropical, hot steppe climate (Köppen climate classification BSh). The climate is typically hot, sunny, dry and somewhat windy all year long. The Sahel's climate is similar to, but less extreme than, the climate of the Sahara desert located just to the north.
Explanation:
It is called surface currents.
When the temperature rises the ice in antarctica will melt causing the sea levels to rise. I think that is the answer. hope it helped
