4. More people die each year in the U. S. as a result of a. Alcohol.
b. Tobacco.
c. Marijuana.
d. Cocaine.
e. Heroin.

When a researcher debriefs her participants, she: provides a detailed explanation of the study. removes their undergarments. tells them they can stop taking part at any time. provides an detailed explanation of the study, and tells them they can stop taking part at any time.

Muscles of the body for seventh grade

Calculate alex’s tee. alex has a bmr of 1,300 calories and he exercises lightly. his tee is .