(Q).
Lighter, more streamlined vehicles need less energy.  A vehicle that was sleek and aerodynamic and a vehicle that was bulky were each driven the same distance over the same amount of time. Which vehicle needed to more energy to power it bulky vehicle or sleek vehicle?
(A).
bulky vehicle


(Q).
Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.  A country like the US burns more fossil fuels than a third world country. This means that a third world country causes more or less pollution than a richer country?
(A).
less


(Q).
The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.  If Jim climbs to the top of a mountain and takes the temperature after taking the temperature at the bottom of the mountain, which area will he get a lower reading at top of the mountain or bottom of the mountain?
(A).
top of the mountain