Ques: If the skin protects the body from pollution, then what does the skin protect against? Answer choices: - smallpox - A virus - disease - sun's heat - cancer - leukemia - Pollution - heat energy
Ans: Pollution

Ques: If oxygen is essential for cellular respiration for fungi, then what requires oxygen for cellular respiration? Answer choices: - bamboo - gravity - digestion - plants - fungi - bacteria - animals - ferns
Ans: fungi

Ques: If lasers can be used to illuminate, then what can lasers be used for? Answer choices: - tag - energy - electricity - illumination - focusing a lens - space - Destroy bridges - air
Ans: illumination

Ques: If precipitation reaching any underground void can cause a cavern to form, then precipitation filling an underground void can create what? Answer choices: - clouds - soils - cavern - electricity - mountain - rain - rivers - flooding
Ans:
cavern