Russia is America's main rival today

What characteristic distinguishes an alternative rival hypothesis from those hypotheses that are merely alternatives?

a.) An alternative rival hypothesis is mutually exclusive with the proposed hypothesis. b.) An alternative rival hypothesis is more complex than mere alternative hypotheses. c.) Alternative rival hypotheses must be false. d.) An alternative rival hypotheses is more difficult to prove.

The Seneca Falls convention resulted in a. a list of demands including equality in property rights and suffrage. b. a proposal for an amendment calling for universal suffrage. c. a hunger strike and violence in New York

d. New York giving women the right to vote.