Select the correct answer. Your heart rate is not a good way to measure the intensity of your workout.
A.
True
B.
False

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.

Which consequence of drug abuse most directly affects the community? a. fines b. criminal record c. loss of driver’s license d. incarceration