Answer:
Correct answer is:
A. Canadian Shield
B. Coastal Range
C. Intermountain region
Explanation:
North America is usually divided into eight regions.
As we can see from map Canadian Shield is the largest region, that covers larger part of Canada.
As we can see coastal range is covering territory along the Pacific, while Intermountain region is going along the coastal range.
The disease has infected a few people, spread out over a large distance because Cholera can't suddenly spread, it infects few people and then spreads rapidly.
Answer: The correct answer is C. DIFFUSION
False. I think it will be smaller, we are ruining this world with global warming, fossil fuels and etc. New diseases like Zika, are starting, less cures, and some might become deadly.