Which of the following is a remnant of a supernova?
a. neutron star
b. protostar
c. black dwarf
d. red giant

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave

If animal agriculture was eliminated, how much grain would become available for human consumption?

How does science influence the decisions made about social, economic, and political issues?