Correlation may be considered proof of a causative relationship between two variables
a. true
b. false
Ans: b. false
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The simplest hydrocarbon, CH4, is called ____
a. methane b. ethyne c. cyclohexane d. ethane e. benzene
Poliomyelitis is an RNA virus that can invade the nervous system and cause paralysis within a matter of hours. The nearly complete elimination of polio worldwide is due to
A. antibiotics. B. improved water quality. C. vaccination. D. quarantine. E. mosquito control.
Which of the following is an anaerobic sugar breakdown pathway that produces ATP, CO2, and ethanol?
A. Alcoholic fermentation B. Lactate fermentation C. Acetyl-CoA formation D. Anaerobic respiration E. Citric acid cycle
Complex microbial communities that grow tightly adhered to surfaces are called ________.
Fill in the blank(s) with the appropriate word(s).