(Question)
Q: Both oxygen and glucose are transported within the body via what? Choices: - bone - heart - marrow - blood A:
(Answer)
blood

(Question)
Q: Unlike nuclear fission, which involves dangerous radioisotopes, nuclear fusion involves what two harmless elements? Choices: - magnesium and helium - hydrogen and oxygen - hydrogen and carbon - hydrogen and helium A:
(Answer)
hydrogen and helium

(Question)
Q: Which particle of an atom has a positive electric charge? Choices: - electron - nutron - nucleus - proton A:
(Answer)
proton