Identify the following statements as True or False:

a) A scientific hypothesis that leaves fewer facts unexplained is just as adequate as a hypothesis that leaves more facts unexplained.
b) A fully adequate hypothesis addresses all open questions about the phenomenon it is intended to explain.
c) An adequate scientific hypothesis should account for most, but not all, of the facts it is intended to explain.
d) An adequate scientific hypothesis can serve to disprove prior hypotheses that were thought to be adequate.