Will give if correct!
Why does astronauts put their feet under and why?

Within one month the human skeleton fully extends in weightlessness, causing height to increase by an inch. After two months, calluses on the bottoms of feet molt and fall off from lack of use, leaving soft new skin. This is why astronauts put their feet under.

Their feet will fall out and decapitate itself but it won´t hurt

Explanation: The reason why is when your feet calluses on the bottoms of feet,  it molt and fall off from lack of use, leaving soft new skin.

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

hope this : )

islam spread slowly through much of africa through trade and preaching.