(Question)
Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.  If one does no aerobic exercises, their heart muscles will become stronger or weaker?
(Answer)
weaker


(Question)
This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart.  Will induces diffusion in a gas and a liquid. The gas likely diffuses much faster or slower?
(Answer)
faster


(Question)
The thinner the wire, the more resistance it offers.  Robin is using aluminum foil to make small cylinders. A foil cylinder of diameter 10cm likely has greater or less resistance than a foil cylinder of diameter 1cm?
(Answer)
less