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

Because these isotopes decay more slowly, they can be used to date much older specimens.  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?
younger

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