*Question*
When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.  A non-smoker's body works less or more just to get needed air?
**Answer**
less

*Question*
Thicker wires offer less resistance.  If Mona is building a new electrical system and she installs thicker wires then were previously there, what can she expect to happen to the resistance of the system increase or decrease?
**Answer**
decrease

*Question*
Water density increases as salinity and pressure increase, or as temperature decreases.  If you mixed salt water and regular water which would sink regular water or salt water?
**Answer**
salt water

*Question*
In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.  When someone gets bigger what happens to their body functions increases or decreases?
**Answer**
increases