Question

is a bird in the hand worth two in the bush

Answer 1

Fusion reactions occur between what kinds of elements?
two very large nuclei
two very large uranium isotopes
very fast moving electrons
very fast moving neutrons
very small atoms

Answer 2

i think it should be very small atoms

Answer 3

as Fusion can occur as long as the atoms are smaller than iron (Fe). http://en.wikipedia.org/wiki/Nuclear_fusion

Answer 4

thanks everyone