*Question*
We need to reduce our electricity consumption in order to reduce pollution. Suppose Jim decides to use less electricity in his day to day activities. What can he expect will happen to the amount of pollution he is responsible for creating it will increase or it will decrease?
**Answer**
it will decrease

*Question*
Air in the troposphere is warmer closer to Earths surface. Micah is entering the atmosphere, and is approaching the Earth's surface. As he's passing through the troposphere, the air is going to get warmer or colder?
**Answer**
warmer

*Question*
Bigger stars produce more energy, so their surfaces are hotter. Would a big star be hotter or colder?
**Answer**
hotter

*Question*
Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance. You can find tables that show the pH value of different fruits and vegetables. The fruits such as oranges are very acidic so they have a pH value that is higher or lower?
**Answer**
lower