What does the Canadian Shield provide economically that allows them to trade with other countries? A. It contains large, valuable mineral depostis.
B. Mining operations look for new deposits of minerals.
C. It is close to many of the large metropolitan areas of Canada.
D. There are many ways that the environment can be damaged by mining.

Pls keep you answer simple. All i need is A, B,C, or D

if you have ask any question and if you have got the answer reply for your position there will be option for making a brain least answer you need to click click there and they can get the points in brain list main thing is that you need to choose those answer which answer you are you think that it is to you

explanation:

may i ask what challenges?

answer; postconventional;

answer; coal reserves in the u.s are far greater than petroleum reserves;