Answer the question below:   If Mona is building some resistors and she makes them shorter, what happens to the resistance of them decreases or increases?    Assuming that:  Longer length resistors will offer more resistance than shorter resistors.
decreases

Answer the question below:   Ron is trying to figure out how old some isotopes are. The isotopes are decaying very quickly, so they are likely specimens that are older or younger?    Assuming that:  Because these isotopes decay more slowly, they can be used to date much older specimens.
younger

Answer the question below:   When in the stratosphere, Dean can tell that the temperature is getting cooler as the altitude he is at increases or decreases?    Assuming that:  The stratosphere contains the ozone layer, the temperatures increase as altitude increases.
decreases