Ques: Q: What are formed when primary pollutants interact with sunlight, air, or each other? Choices: - cross pollutants - typical pollutants - secondary contaminants - secondary pollutants A:
Ans: secondary pollutants

Ques: Q: What happens when the blood cannot reach the heart because a blood vessel is blocked? Choices: - fast heart beat - heart burn - pass out - heart attack A:
Ans: heart attack

Ques: Q: Wearing what will reduce the amplitude of sound waves entering the ears? Choices: - goggles - megaphone - hardhat - hearing protectors A:
Ans: hearing protectors

Ques: Q: What is formed when an acidic solution and a basic solution react together in a neutralization reaction? Choices: - Sodium - seawater - shallow - salt A:
Ans:
salt