*Question*
Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.  Carter travels to the mountain and looks through a telescope. There is very little interference from the atmosphere, so Carter knows that above the telescope, there is less or more air compared to sea level?
**Answer**
less

*Question*
The larger the animal, the heavier the exoskeleton, making movement more difficult.  When an animal is smaller it needs to have a smaller skeleton or larger skeleton?
**Answer**
smaller skeleton

*Question*
Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.  If a dog is extremely fit and healthy breeders will want it to have more offspring or less offspring?
**Answer**
more offspring

*Question*
Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.  John observed that machines are not very helpful in performing work because they decrease the amount of force, and also make the distance the force is applied Greater or Lesser?
**Answer**
Lesser