The full box is harder to move because it has greater mass and therefore greater inertia.  If Jimbo is creating a ball from clay and he removes more clay to the ball, what does he do to the ball's inertia increases it or decreases it?
decreases it

The hotter a resistor becomes the more resistance it has.  If a piece of wire it gets very cold it will have more resistance or less resistance?
less resistance

When we add resistors in parallel to each other the total resistance decreases and the current increases.  If current decreases, that means resistance is increasing or decreasing?
increasing

When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.  Compared to an obese person who has never exercised, would an Olympic sprinter in perfect condition be more likely to have a heart that can, with each beat, move more blood or less blood??

more blood