A good goal for Evelyn would be that I will work one extra shift per week, and I will set aside $150 per paycheck to purchase a plane ticket to Puerto Rico
Whenever your vehicle slows down, it has to overcome, or dissipate, its kinetic energy.
Normally, you accomplish this through the brakes: your car's kinetic energy turns into heat energy from the friction of your brakes. That's why braking distance increases exponentially as speed increases—twice the speed means four times the braking distance.
Nevertheless, the answer is Choice B. Kinetic Energy
Given the description of the meaning of "residence time," you must conclude ...
... D. Substances that have a shorter residence time do not stay in the atmosphere as long.