Logic for the Q&A below: Streams may start with runoff or water seeping out of a spring. Lakes and streams are sources of drinking water. Water seeping out of a spring is a source of drinking water.
Q: What is a source of drinking water?
Options:
- (A) ice expanding in rock openings
- (B) helping to prevent floods
- (C) industrial runoff
- (D) it helps plants in growing
- (E) Water seeping out of a spring
- (F) salt water
- (G) polluted water
- (H) Something with a head, thorax, and abdomen
A: (E)
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Logic for the Q&A below: Carbon cycles quickly between organisms and the atmosphere. Deforestation also disrupts the Carbon Cycle. Deforestation disrupts the cycle between organisms and the atmosphere.
Q: What disrupts the cycle between organisms and the atmosphere?
Options:
- (A) burning coal
- (B) Sulfur dioxide
- (C) replanting forests
- (D) solar system
- (E) Greenhouse gasses
- (F) chlorofluorocarbons
- (G) life cycle
- (H) deforestation
A: (H)
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Logic for the Q&A below: Urine is the liquid waste product of the body that is excreted by the urinary system. Acid urine is usually darker thatn alkaline urine. Liquid waste can be acidic.
Q: What can liquid waste be?
Options:
- (A) gas
- (B) Gaseous
- (C) Solid
- (D) Acidic
- (E) acid rain
- (F) expelled
- (G) Static
- (H) dangerous
A: (D)
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Logic for the Q&A below: Mating is generally preceded by courtship. Friendship usually precedes courtship, and courtship, marriage. Friendship often comes before mating.

Q: What often precedes mating?
Options:
- (A) A Greek letter
- (B) competition
- (C) friendship
- (D) birth of a child
- (E) death
- (F) Chemical energy
- (G) pregnancy
- (H) sweating
A: (C)
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