*Question*
Light-skinned people get sunburned more quickly than people with darker skin. A pale person will sunburn slower or faster than a dark-skinned person?
**Answer**
faster

*Question*
Because these isotopes decay more slowly, they can be used to date much older specimens. Fred has an isotope that decays quickly. What is likely true about it it can be used to date older specimens or it can't be used to date old specimens?
**Answer**
it can't be used to date old specimens

*Question*
Increased resource use generally means more waste; electronic waste from developed nations is a growing problem in the developing world. Less waste being noted indicates more or less use of resources?
**Answer**
less

*Question*
For a given medium, sound waves travel more slowly at lower temperatures. Eric moved to Alaska from Arizona. The lower temperatures overall mean that sound travels faster or slower?
**Answer**
slower