What is the chemical composition of a class ABC fire extinguisher?
a. water under pressure
b. carbon dioxide under pressure
c. carbon monoxide under pressure
d. dry inert chemicals under pressure
Answer: d. dry inert chemicals under pressure
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Phenylketonuria is an inherited condition _____
a. caused by a deficiency of an enzyme that metabolizes phenylalanine b. caused by a defective pancreas c. diagnosed by measuring ketones in urine d. requiring enzyme capsules to aid digestion e. of muscle coordination problems affecting the gastrointestinal tract
Holly is a healthy woman who is 22 years of age. Using this information, calculate her target heart rate zone for moderate-intensity physical activity.
A. 59 to 79 bpm B. 129 to 159 bpm C. 139 to 168 bpm D. 99 to 139 bpm
Between the ages of 25 and 65, physical working capacity declines by _____% per decade
a. 1-2 b. 3-5 c. 5-10 d. 10-20 e. 30
What characteristics possessed by cake flour help create the qualities desired in a cake?