Acid rain is the result of ____
a. the burning of fossil fuels
b. the greenhouse effect
c. contamination with CFCs
d. desertification
e. deforestation
ANSWER: a
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The mode of transmission of B. pertussis can best be described as:
a. person-to-person contact. b. exposure to contaminated water. c. inhalation of contaminated air. d. close contact with animals.
The secretion of which hormone decreases when calcium blood levels increase?
a. calcitonin b. parathyroid hormone c. thyroid hormone d. epinephrine e. norepinephrine
The leading cause of preventable death in the United States is cardiovascular disease. Which of the following are lifestyle modifications that would lower a person's risk of CVD?
A. lose weight B. lower fat intake C. not smoking D. All of the choices are means of lowering risk for CVD.
The starter culture used to make cheese determines the type of cheese produced.
Answer the following statement true (T) or false (F)