Alcohol is a
to the body and must be metabolized and excreted as soon as possible.
A) sugar
B) toxin
C) stimulant
D) food source

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis