Carrying a weapon is considered to be

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

Ab+cd-> ad+bc is what kind of reaction

Whic disease reduces bone density and causes the bones to become brittle