(question). The average weather in an area during an era is called:
Options:
- (A) Summer
- (B) epoch
- (C) good
- (D) autumn
- (E) time period
- (F) mild
- (G) Pleistocein
- (H) climate
(answer). Climate is the average weather in an area over a long period of time. An era is a period of time in which events occur. Climate is the average weather in an area during an era.
The answer is (H)

(question). Oxygen and glucose share this mechanism in the body:
Options:
- (A) it needs them
- (B) aerobic capacity
- (C) transportation
- (D) flow of electrons
- (E) Energy.
- (F) Veins and arteries.
- (G) sweating
- (H) oxidation reaction
(answer). Oxygen is just one substance transported by the blood. Blood glucose is the substance that feeds our cells. Oxygen and glucose are transported the same way in the body.
The answer is (C)

(question). Language can be learned through
Options:
- (A) play
- (B) osmosis
- (C) instincts
- (D) years
- (E) Birds
- (F) a path
- (G) sent
- (H) nerves
(answer). Behaviors can be learned through play. Language is a learned human behavior. Language can be learned through play.
The answer is (A)

(question). What can lead to alkalosis?
Options:
- (A) metabolic reaction
- (B) Breathing too fast or too slow
- (C) Drinking too much water.
- (D) Something that causes allergies
- (E) Sleeping too much.
- (F) direct damage to the lungs
- (G) Warm air moving into cold air
- (H) Eating too much.
(answer).
Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Alkalosis is a blood pH above 7.45. Rate of breathing being too fast or too slow can lead to alkalosis.
The answer is (B)