Answer:
The crust is the thinnest layer and what we live on.
The mantle is the biggest layer
The outer core is the only liquid layer
The inner core is the hottest layer
Water is needed to start farms. they could also ship goods with the river. I know my answer is not well but I hoped it helped
D. Rock type
Explanation:
The major factor that influences the strength of rocks is the rock type.
Different rock types are known to have their own relative strength.
Based on their strength, rocks are classified into hard and soft rocks.
Soft rock types are dominated by sedimentary rock. Sedimentary rocks are formed by accumulation and deposition of sediments. They are often layered.
Metamorphic and igneous rocks are usually classified as hard rocks. These rocks forms under very high temperature and pressure conditions.
In engineering applications, the soft rocks not desired for construction purposes although they have their own unique material functions.
Hard rocks are used for heavy duty and durable constructions like dams and bridges.
learn more:
Metamorphic rocks brainly.com/question/869769
Sedimentary rocks brainly.com/question/9131992
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Answer:
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an estimated 22 million Syrians had to leave because of the Syrian civil war