Which statement best describes the effect nicotine has on the central nervous system?
a. it acts as a stimulant and causes pleasurable feelings.
b. it acts as a sedative and relaxes the mind
c. it acts as both a stimulant and a sedative.

Children's reactions to divorce often include which of the following groups of behaviors? a. resentment, anxiety, guilt, and anger b. joy, relief, and happiness c. talking too much and desiring dramatic play d. attachment to adults and seclusion from other children

The concept of ensures that wounded soldiers receive treatment based on their severity of their wounds rather than their seniority

The consists of a mixture of gases and particles, including oxygen, nitrogen, hydrogen, carbon dioxide, water vapor, and dust.