<span><span><span>The crust: low density silicate rock, 5-70 km thick. There are two distinct types of crust.<span><span>Continental crust is variable in thickness and composition. Thickness ranges from 5-70 km. The composition ranges from mafic to felsic.</span><span>Oceanic crust is uniform in thickness and composition. It is 5-6 km thick and is mafic in composition.</span><span>The differences in thickness and density between continental and oceanic are responsible for the existence of ocean basins due to isostatic balance as the crust floats on the more dense mantle.</span></span></span><span>The mantle: high density, ultramafic silicate rock which can flow when subjected to long duration stresses. The mantle is over 2900 km thick and makes up over 80% of the volume of the Earth. The mantle is not molten!</span></span><span>The core: iron and nickel, liquid outer region with a solid center. The core is just over half the diameter of the Earth.</span></span>
Egyptians are known for making a lot of advances in learning.
The two big ones are :
Paper
Hieroglyphs
Egypt is also known for various other things such as ...
The place of the first surgery.
The first place to incorporate plants, animal parts, and minerals into medicine.
Where the first physician lived.
There are many more advances in learning and great discoveries Egypt made, but the ones I listed only make up a few! If you'd like to learn more, I suggest looking it up.
Hope this helps! :)
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Answer: In the latest study, the researchers found outbreaks of plague from 1346 through 1837 which could be explained by changes in Asian weather. ... "When the climate subsequently becomes unfavorable, it facilitates the collapse of plague-infected rodent populations forcing their fleas to find alternative hosts.
Explanation: Hope this helped :)
The major factor in Chicago's rapid growth is that many railroad lines connecting the east and west coasts ran through the region.
Chicago is the city which had the greatest population growth between the year of 1850 and 1900.
Chicago's location as a midway between East and the developing West created its role in agriculture and industry.
Hence, the major factor in Chicago's rapid growth is that many railroad lines connecting the east and west coasts ran through the region.
Therefore, the Option A is correct.
Read more about Chicago
<em>brainly.com/question/24011194</em>
Answer:
True
Explanation:
The above statement is true. Buying on margin is done when the person purchasing a stock pays a little amount or down payment to the broker for the stock. This kind of investment is also called as a borrowing investment, since it done by borrowing some money. Before investing, the person has to open its account as margin account and then he can work with his broker. Here some securities have to be given before opening a margin account
