The organisms that convert carbon dioxide into organic matter are the
A. secondary consumers.
B. primary consumers.
C. producers.
D. decomposers.
C. producers.
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Which of these is false about sudden cardiac
arrest? a. It happens more than 300,000 times annually in the United States. b. It affects only the elderly. c. Survival is greatly increased by starting CPR within four to six minutes. d. Prompt defibrillator use increases the chance of survival. e. None of these are false
Which is NOT ordinarily capable of being reduced at
any time? a. NAD+ b. FAD c. oxygen, O2 d. water e. all of these
At about what age does the tension, or physical force, a person's muscles can muster begin to
decrease? a. 30 b. 25 c. 40 d. 45 e. 50
Which of the following solutions would require the greatest amount of acid to be added to bring the solution to neutral pH?
A) soda at pH 2 B) vinegar at pH 3 C) black coffee at pH 5 D) household bleach at pH 12