1. all of the following are benefits of gmos (genetically modified organisms) except
a. extinction of original organism due to interbreeding
b. increased supply of food with longer shelf life
c. disease and drought resistant plants
d. decreased use of pesticides
2. which of the following are natural causes of acid rain?
a. volcano emissions, lightning, and microbial processes
b. industrial emissions and other man-made polluters
c. smokestacks and volcano emissions
d. microbial processes and fuel combustion

The best and most correct answer among the choices provided by the first question is the first choice or letter A "Extinction of original organism due to interbreeding.
On the other hand, the best and most correct answer among the choices provided by the second question is  the first choice or letter A "volcano emissions, lightning, and microbial processes"
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Ireally dont know sorry