Q: What can exposure to chemical or biological agents cause later in life? Choices: - adaptation - spontaneous mutation - regression - an acquired immunodeficiency A:
an acquired immunodeficiency

Q: What is freshwater below the earth's surface called? Choices: - geyser - sediment - precipitation - groundwater A:
groundwater

Q: Q: Some 96% of the dry mass consists of organic compounds produced by what? Choices: - erosion - electrolysis - reproduction - photosynthesis A:
A: photosynthesis

Question: Q: Phospholipids are unable to mix with what? Choices: - nitrogen - solids - air - water A:
Answer: water

*Question*
Q: What do you call the membrane lining the back of the eye? Choices: - cornea - stimulation - aperture - retina A:
**Answer**
retina

Q: Q: The smallest and lightest alcohols (methanol, ethanol, propanol) are completely soluble in? Choices: - gasoline - oil - argon - water A:
A: water