[Q] Animals are _ things.
Options:
- (A) insects
- (B) invisible
- (C) edible
- (D) impossible
- (E) protected
- (F) sparkly
- (G) living
- (H) an object
[A] Here's my solution: Animals adapt to cold temperatures. Adaptation living things adapt to their environment. Animals are living things. The answer is (G).

[Q] Alterations in genetic information may change a chromosome's structure or one
Options:
- (A) nitrogen
- (B) harm them
- (C) Plants growth
- (D) Damages them
- (E) spectrum
- (F) nuclear waste
- (G) nucelotide
- (H) nitrate
[A] Here's my solution: Mutations may change the structure of a chromosome or just change a single nucleotide. Mutations are changes in genetic information. Alterations in genetic information may change the structure of a chromosome or just a single nucleotide. The answer is (G).

[Q] Pollen consists of tiny grains that are the _ of plants.
Options:
- (A) Mitosis
- (B) made
- (C) small
- (D) sperm
- (E) seeds
- (F) honey
- (G) flowers
- (H) edible
[A] Here's my solution: Pollen consists of tiny grains that are the male gametes of plants. Male gametes are called sperm. Pollen consists of tiny grains that are the sperm. of plants. The answer is (D).

[Q] Rivers easily dissolve nutrients and:
Options:
- (A) bacteria
- (B) chemicals
- (C) oxygen
- (D) sodium
- (E) vitamin C
- (F) glucose
- (G) a solute
- (H) a hazard
[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
Here's my solution: Running water is better able to dissolve oxygen and nutrients than standing water. Large, warm rivers hold populations but few occur in cold running water. Oxygen and nutrients dissolve easily in rivers. The answer is (C).