Answer:
That for years scientists have build up and found discoveries that led to recent discoveries brought by previous scientists
Explanation:
It is about 700 km<span> (435 mi)</span>
Answer:
Baby boomers and Generation X
Explanation:
Pollution started in the 1950's through 1970's
Boomers where born in 1946-1964
Generation X where born in 1965-1979
Also The Silent Generation helped start the idea of pollution, but generations after that continued to pollute and that's when the environment went down hill.
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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The biggest national park of USA is Wrangell- St. Elias National Park And Reserve
