Research shows smoking pot might affect a person´s concentration and perception as well as his/her coordination and reaction time while driving. Smoking pot could impair judgement, that is to say impair somebody´s driving skills. What is more, chances of being involved in a car accident increased enormously. It might also affects drivers ability to perceive time and distance.
The deliberate effort to modify a portion of Earth's surface through the cultivation of crops and the raising of livestock for sustenance or economic gain.