B:providing industrial materials
Answer:
The Answer is D
Explanation:
When water gets inbetween a rock of some sort, it freezes and expands over time, causing it to change the appearance of the rock.
D. Islands used for agriculture
Answer:
The author is arguing to merge Canada and the United States into one country under the same government.
Explanation:
In paragraph 2, it says "We share geography, values, and the longest unprotected border --5,525 miles long-- in the world. So why not share a government."
The author lists reasons for the United States and Canada to become one country.
a type of map characterized by large-scale detail and quantitative representation of relief, usually using contour lines, but historically using a variety of methods.
