Ques: Q: What three primary colors of light can be distinguished by the human eye? Choices: - blue, red, orange - yellow, green, blue - red, green, yellow - red, green, blue A:
Ans: red, green, blue

Ques: Q: How many watts equals a horse power? Choices: - 695 - 904 - 375 - 745 A:
Ans: 745

Ques: Q: What are the blood vessels that carry blood toward the heart and tend to have thinner walls? Choices: - capillaries - glands - clots - veins A:
Ans: veins

Ques: Q: Historically, malaria has rivaled what as the leading cause of human death by infectious disease? Choices: - heart attack - hepatitis - cancer - tuberculosis A:
Ans:
tuberculosis