Logic of a solution: *Playing is one way mammals and other animals learn how to behave. Second stage, learn how to behave assertively. Playing is one way mammals and other animals learn how to be assertive.*
*(D)*
The original question: *How do animals learn how to be assertive?
Options:
- (A) lectures from their parent
- (B) instinct
- (C) Movement
- (D) playing
- (E) being killed
- (F) ligt
- (G) sweating
- (H) exercise*


Logic of a solution: *Marine species live mainly in shallow coastal waters. Killer whales prefer shallow and colder coastal waters. Killer whales are a marine species.*
*(F)*
The original question: *What are killer whales?
Options:
- (A) red and black
- (B) They have thick fur
- (C) dangerous
- (D) sharks
- (E) deep sea creatures
- (F) marine species
- (G) Absorb light
- (H) animals*


Logic of a solution: *Some viruses live in a dormant state inside the body. After an episode of chickenpox, the virus becomes dormant in the body. Chicken pox can live in an inactive state.*
*(E)*
The original question:
*What is an example of an entity that can live on in a completely inactive state?
Options:
- (A) an object
- (B) sloths
- (C) hibernating bears
- (D) Conifers
- (E) chickenpox
- (F) barnacles
- (G) a fish
- (H) mammals*