q: Most people can survive only a few days without what?
Options:
- (A) h2o
- (B) urea
- (C) CO2
- (D) beds
- (E) houses
- (F) air
- (G) NaCl
- (H) H20
a: (H)... Explanation: Most people can survive only a few days without water. H20 Bottled water was generally consumed last year. Most people can survive only a few days without H20. That's why the answer is (H).

q: What type of evolution is very, very slow above the level of the species?
Options:
- (A) forest is destroyed
- (B) macroevolution
- (C) animals
- (D) parallel evolution
- (E) mechanical
- (F) Continents drifting
- (G) divergent evolution
- (H) microevolution
a: (B)... Explanation: Macroevolution is evolution over geologic time above the level of the species. And geologic time is very, very slow. Macroevolution is very, very slow evolution above the level of the species. That's why the answer is (B).

q: What can affect the small organelles where proteins are made?
Options:
- (A) Allergies
- (B) Smoking
- (C) harm them
- (D) pizza
- (E) antibiotics
- (F) adding heat
- (G) beef
- (H) carbohydrates
a: (E)... Explanation: Ribosomes are small organelles where proteins are made. Many antibiotics affect the ribosome. Many antibiotics affect the small organelles where proteins are made. That's why the answer is (E).

q: What water dweller can be stimulated with amphetamines?
Options:
- (A) pearls
- (B) algae
- (C) swea
- (D) otters
- (E) fish
- (F) humans
- (G) sharks
- (H) sponges
a:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(E)... Explanation: Fish have a centralized nervous system with a brain. Amphetamines stimulate the central nervous system. Fish can be stimulated with amphetamines. That's why the answer is (E).