You should always allow for muscles to recover between training workouts.
a. 2 hours
b. 24 hours
c. 48 hours
d. one week

Which of these is an accurate and appropriate summary of paragraph 4? a) the speaker talks to her sister who understands politics. b) the speaker talks to her sister about all of her problems. c) the speaker wants her sister to tell her which party is best. d) the speaker is trying to find out who her sister is voting for.

Which of these are fast-acting compounds that attack ocygen-dependent tissues known to be particularly sensitive to these compounds? a.nerveb.vesicantsc.cyanide compoundsd.pulmonary

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.