(Question)
Q: Heat expansion is a result of the increase of what type of energy, exhibited by molecules bumping together? Choices: - light energy - radioactivity - harmonic energy - kinetic energy A:
(Answer)
kinetic energy

(Question)
Q: What destroys the filtered pathogens? Choices: - parasites - neutrophils - antibodies - lymphocytes A:
(Answer)
lymphocytes

(Question)
Q: In police radar, a radar gun sends out short bursts of which waves? Choices: - photons - soundwaves - electrodes - microwaves A:
(Answer)
microwaves