Line 1: *Marine biomes are found in the salt water of the ocean. An ocean is a large body of salt water. Marine biomes are found in large bodies of salt water.*
*(C)*
Line 2: *Marine biomes are found in large bodies of what?
Options:
- (A) fresh water
- (B) the environment
- (C) salt water
- (D) liquid
- (E) river water
- (F) Absorb light
- (G) Sediment
- (H) black water*

Logic of a solution: *Air pollution harms the respiratory and circulatory systems. Nitrogen oxides cause air pollution. Nitrogen oxides harms the respiratory and circulatory systems.*
*(D)*
The original question: *Harm to the respiratory and circulatory systems can come from
Options:
- (A) Greenhouse gases
- (B) hydrocarbons
- (C) Sulfur dioxide
- (D) nitrogen oxides
- (E) burning coal
- (F) fossil fuels
- (G) emissions
- (H) Greenhouse gasses*

Line 1: *Marine species live mainly in shallow coastal waters. Seahorses inhabit shallow coastal waters, especially seagrass beds, coral reefs and mangrove swamps. Seahorses are marine species.*
*(D)*
Line 2: *What kind of species are seahorses?
Options:
- (A) horse
- (B) seaweed
- (C) edible
- (D) marine
- (E) a fish
- (F) shellfish
- (G) strong
- (H) food*

Logic of a solution: *Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Mammals breathe with lungs. Blood pH may become unbalanced if the lungs are working too fast or too slow.*
*(H)*
The original question: *What may become unbalanced if the lungs are working too fast or too slow?
Options:
- (A) Decibels
- (B) hair on head
- (C) air pressure
- (D) gasoline levels
- (E) Acids
- (F) energy usage
- (G) brain chemistry
- (H) blood pH*

Line 1: *Organisms that live in marine biomes must be adapted to the salt in the water. Organisms or living beings are literally things that are alive. Living beings that live in marine biomes must be adapted to the salt in the water.*
*(D)*
Line 2: *Living beings in marine biomes must be adapted to what in the water?
Options:
- (A) CO 2
- (B) stress
- (C) liquid
- (D) salt
- (E) heat
- (F) an ion
- (G) energy
- (H) motion*

Line 1: *Glucose is used for energy by the cells of most organisms. Glucose, the sugar the body uses for fuel, is stored as glycogen. Sugar is used for energry by the body is stored as glycogen.*
*(F)*
Line 2:
*What is sugar stored as by the body?
Options:
- (A) heat energy
- (B) sun's heat
- (C) A drug.
- (D) A kernel
- (E) energy
- (F) glycogen
- (G) lmestone
- (H) Hemoglobin*