Question: Q: Human skin color is primarily due to the presence of what pigment in the skin? Choices: - tannin - melatonin - cytoplasm - melanin A:
Answer: melanin

Question: Q: The prevalence of cervical cancer in the united states is very low because of regular screening exams called what? Choices: - prostates exams - mammograms - Stavros smears - pap smears A:
Answer: pap smears

Question: Q: Earth's temperature will increase further as more of what colorfully nicknamed gases are put into the atmosphere? Choices: - bluehouse gases - blue dioxide gases - green dioxide gases - greenhouse gases A:
Answer:
greenhouse gases