Q: In sexual reproduction, what is the name of the gamete cell the male must contribute? Choices: - plasma - spore - ova - sperm A:
sperm

Q: Which muscular organ pumps blood all around your body? Choices: - stomach - lungs - pancreas - heart A:
heart

Q: Hydrogen and helium are specifically involved as reactants in what nuclear reaction that is useful for making energy? Choices: - destructive fusion - radioactive fusion - nuclear fission - nuclear fusion A:
nuclear fusion