Which of the following substances are addicting A:tobacco only B:alcohol only C:both alcohol and tobacco D:neither alcohol and tobacco

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

Flexibility is the range of motion possible for each in the body a.bone b.ligament c. cartilage d. muscle