The ozone layer in the upper atmosphere
A. is the key component of smog.
B. facilitates temperature inversions.
C. shields the earth from the sun's ultraviolet rays.
D. maintains the pH of rain.
Answer: C
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The quality of a training program plays a crucial role in how each person responds and improves following an exercise program
Indicate whether this statement is true or false.
An increase in the extensibility of collagen tissue will not occur unless a heat treatment is associated with stretching exercises.
Answer the following statement true (T) or false (F)
Inflammation of stomach and small intestine:?
A) gastrocolitis B) gastroenteritis C) stomatoenteritis D) cholecystitis
Characteristics of activities that might be continued into adulthood and that can be included in a secondary school physical education program include
a. competitive activities. b. extreme mental effort. c. activities that are performed in groups. d. activities that are performed alone.