It’s would be B( the 2nd one).
The construction is aqueducts
People here in America are used to more personal space because it is not over populated. But in other countries with crowed houses and overpopulation you would not even be able to walk in your own space.
Unless you have some classified the answer is no. United Stated and Russia are not in an official Cyber War, although I would not be surprised if we would soon find out they are going at one another through those means.
B. New medicinal possibilities
C. High levels of biodiversity
D. Lower carbon dioxide levels
