Answer:
Before the arrival of the Europeans to America, there were advanced civilizations in America, therefore, without the Europeans, I think these civilizations would have continued to develop, mainly the Aztec and Inca civilizations. Also, other civilizations would have grown. And a political-economic system similar to feudalism may have developed.
The population in America would also be larger and more interconnected. Also, the civilizations would have been developed more scientifically.
Europe, meanwhile, would have faced an economic crisis. Before the conquest of America, Europe was experiencing a great recession. Quite possibly this recession would have deepened.
Also, they would have faced a great famine; due to the exchange of products between America and Europe, the Europeans had more food options, for example, the potato.
Likewise, if Europeans had not reached America, other parts of the world would possibly have another history as well, such as Africa and Oceania, and even Asia.
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Answer:
A. Continental crust is less dense than oceanic crust.
Explanation:
Earth's crust can be divided into two categories, oceanic and continental. More of the surface is covered by oceanic crust, but because ocean crust is thinner than continental crust, the volume of the latter is significantly greater.
Oceanic crust is also denser than continental crust as it is made up of basaltic rock, whereas it's continental counterpart contains a type of less dense rock called felsic.
Explanation:
it serves as a source of living for man
doubling the radius will have a greater effect
v of cylinder=pi x square of radius x hieght
lets take an example,r=2,h=2
v=8pi
doubling the hieght,h=4
v=16pi ie twice the initial volume
doubling the radius,r=4
v=pi x 16 x 2
=32 pi ie four times the initial volume
therefore radius makes a bigger difference
