Answer:
Because the U.S. is rich in ECE deposits, these enthusiasts say, exploiting them is ... Both are certain that America's chief prospects for producing ... At the very top of the mine, a crusher reduced chunks of ore to pea-sized gravel. ... “It doesn't surprise me that we're the only ones looking at it right now.
Explanation:
The answer to this question is b, effect.
How far down it is. Newer rock is on top, older rock is on the bottom
The correct answer would be: dependence on nonrenewable resources.
A nonrenewable resources are resources that cannot be readily replaced by natural means, such as fossil fuels (oil, natural gas). The use of these resources is not sustainable because their formation takes billions of years. The whole world is dependent on these non-renewable sources but they are becoming more scarce daily.
Answer:
no
Explanation:
a compound has 2 or more substances.and can be broken down.
a pure substance can't be broken down any further
