Some crime scene evidence is obvious and others will not be discovered until items are examined in the

Alcohol is a dangerous drug because it a can change the way the mind and body function. b changes the way you look to other people. c makes you believe you are invincible. d cannot absorb into the bloodstream.

Why is important to cover your hands and feet in cold weather? a. they are furthest from your heart. b. they are often last to receive blood flow. c. they can suffer from tissue damage in cold weather. d. all of the above

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