Watch this video before answering the questions:

 
1.What was the difference in the sobriety test before and during the use of the impairment goggles?

2. 
Buzzed driving is drunk driving. People cannot accurately rate how drunk they really are. Why is it important not to drink and drive?

 https://www.youtube.com/watch?v=gwuwrRK-I2Y 

1. 
Define atherosclerosis.

2. 
Name four carcinogens (cancer causing agents) contained in cigarettes.