(Q).
Q: What is the term for rain consisting of water with a ph below 5? Choices: - carbon rain - produce rain - Hot Rain - acid rain A:
(A).
acid rain

(Q).
Q: Many species secrete a hard external skeleton of what? Choices: - sodium bicarbonate - hydrogen carbonate - carbon dioxide - calcium carbonate A:
(A).
calcium carbonate

(Q).
Q: What waves do radio and television use? Choices: - sound waves - light waves - gamma waves - radio waves A:
(A).
radio waves