The correct answer is A. Increased use of pesticide.
The name 'green revolution' is very misleading, because it makes you believe that is something positive about the nature. In fact, it is something that made a lot of harm to the environment with pollution and increased erosion caused by the usage of chemical fertilizers and pesticides and herbicides, caused problems in the societies because a lot of crops needed for people to feed themselves where destroyed so that other plants can be produced.
Maybe tourism. i think its because many people travel there
Don’t worry about big bro if you are in HighSchool and just do the work even though you are miserable you will thank yourself till the day you die because those 4 years decide what your whole life will be like just do the best you can so you have a job that pays well and your happy instead of slacking and being miserable