(Q).
Q: What is the source of precipitation? Choices: - pollution - clouds - the sea - the atmosphere A:
(A).
the atmosphere

(Q).
Q: Insect's antennae are useful for sensing what? Choices: - contaminants - microorganisms - sunlight - chemicals A:
(A).
chemicals

(Q).
Q: What is the average kinetic energy of particles of matter? Choices: - momentum - magnetism - friction - temperature A:
(A).
temperature