You didn't write the following
Answer:
C: decreased tourism
Explanation:
If the river is polluted it don't exactly mean that diseases increase but, one thing for sure is that tourism will decrease.
Answer:
because colonizers were bad and mean to natives and took their land
Well, here is a hint. Anything ending in (.com) is not usually trustworthy, because they are usually trying to sell something, or are just not accurate. (.gov) is trust worthy I guess, but they are telling you what you want to hear. (WIKI IS NOT TRUSTWORTHY AT ALL) (.edu) would be the best, or (.org)