*Question*
Given the fact that:  The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.  Answer the question:   To have less elephants, we should increase or decrease forests near them?
**Answer**
decrease

*Question*
Given the fact that:  Rougher surfaces have more friction between them than smoother surfaces.  Answer the question:   If a surface were to be smoothed, it should encounter more or less friction?
**Answer**
less

*Question*
Given the fact that:  If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.  Answer the question:   What would happen to the amount of ultraviolet radiation trapped in the atmosphere if the number of greenhouse gases were decreased more would be trapped or less would be trapped?
**Answer**
less would be trapped

*Question*
Given the fact that:  The closer the charged objects are, the stronger the electrostatic force.  Answer the question:   If we have a static charged balloon and bring it close to your head less or more hairs will stand up?
**Answer**
more