(Q).
Q: Acid rain is corrosive rain caused by rainwater falling to the ground through which gas? Choices: - sulfide dioxide - carbon dioxide - essential dioxide - sulfur dioxide A:
(A).
sulfur dioxide

(Q).
Q: What paired human organs play a vital role in maintaining homeostasis? Choices: - lungs - ears - eyes - kidneys A:
(A).
kidneys

(Q).
Q: What kind of process is boiling? Choices: - chemical - spheroidal - cavitation - isothermal A:
(A).
isothermal