Which of the following is an example of a safe laboratory procedure?
a. tying back long hair and loose clothing
b. eating or drinking from laboratory glassware
c. touching hot objects with your bare hands
d. testing an odor by directly inhaling the vapor

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Ways that industry and agriculture use physical properties to separate substances