Answer:
Pollution increases and habitats are impacted. (C)
Step-by-step explanation:
a side effect of construction of cities and towns have nothing to do with being comfortable so A is not right
the amount of pollution will increase so maybe B
pollution will increase, as said in B, and habitats will be impacted so maybe C
new natural resources will not be created with these cities so not D
so now its either B or C, well B said pollution rises but so did C and C said more stuff like how habitats are impacted
So the answer is C