Which of the following areas can be accomodated in the playroom of a three- to four- year -old group?

1.personal expression
2. processing impression and ideas
3. attention and concentration ability
4. anticipating

Hhmm,well,i will have to go with number 1.

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

The answer is d, a and bbecause, hallucinogens can cause people t do things they wouldn't normally do like they wouldn't normally put people's lives in danger.hope my answer has you : )