(Q).
Answer the question below:   Between a marble and a cannon ball, both travelling at the same speed, the object with the greater momentum would be the cannon ball or the marble??    Assuming that:  The more mass a moving object has or the faster its moving, the greater its momentum.
(A).
the cannon ball


(Q).
Answer the question below:   When people figured out how to grow food the levels of food in the world increased or decreased?    Assuming that:  Better farming techniques and machines increased the food supply and the distribution of food.
(A).
increased


(Q).
Answer the question below:   If Mona is running a race and her chest expands, what happens to the amount of air pressure in her lungs increases or decreases?    Assuming that:  Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
(A).
decreases