Fr (add me as a friend)

If pressure and temperature remain constant, will the volume of gas in the respirometers increase or decrease?

Cigarette manufacturers purposefully add to cigarettes in order to give them a particular flavor. a. cocaine b. carcinogens c. cigarette ashes d. a and b

When must a driver yield to a pedestrian? a. only when the pedestrian is in the roadway b. only when the pedestrian is in a designated crosswalk c. only when the pedestrian has a walk signal d. always