Problem: OPTIONS:
- ultrafiltration
- osmosis
- normal osmosis
- reverse osmosis
Q: Q: Applying a pressure greater than the osmotic pressure of a solution will do what? A:
Answer: reverse osmosis

Problem:OPTIONS:
- cold-blooded
- vertebrate
- marine
- single-celled

Q: What type of organisms do not need blood? A:
****
A: single-celled

Q: Compounds like sodium chloride form structures called what? A:
OPTIONS:
- ions
- microorganisms
- hydrocarbons
- crystals
crystals

Q: What happens when an increase in temperature of a gas in a rigid container happens? A:
OPTIONS:
- gas explodes
- pressure decreases
- container shrinks
- pressure increases

Answer: pressure increases

Question: Q: What must molecules have to be cis-trans isomers? A:
OPTIONS:
- triple bond
- last bond
- single bond
- double bond
Answer: double bond

input: OPTIONS:
- snow
- salt water
- glaciers
- fresh water Now, answer this question: Q: Although humans require it, what accounts for just one percent of all water on earth? A:
A:
output:
fresh water