Nonrenewable resources can be viewed as a) energy sources using wind power. b) energy sources using solar power. c) existing in a fixed amount, but are easily replaced. d) existing in a fixed amount; they will run out eventually.

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

What do muslims believe a prophet is? a deity an angel a minister a messenger