Biotechnology has many potential benefits. The risks outweigh these benefits.”

Which is the best way to rewrite the second sentence?

Additionally, the risks outweigh these benefits.

As a result, the risks outweigh these benefits.

However, the risks outweigh the benefits.

Which sentence features a correctly identified compound pronoun in a prepositional phrase? a)she and i will be at the park on tuesday, waiting for mariah and them. b)the gift grandmother brought was for me and him. c)everyone is so sure that he'll be late after traveling with peter and maria. d)after they visit the grand canyon, tianna and mom are going to a spa.