Answer the question below:   If we want to increase resistance in computers we should put more resistors in parallel or series?    Assuming that:  As more resistors are added in series, the total resistance of the circuit increases.
series

(Question)
Answer the question below:   A human who eats an animal that is low on the food chain should take in more or less toxic metals?    Assuming that:  The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
(Answer)
less

Ques: Answer the question below:   When April rested on the couch, as opposed to running, she noticed that her heart was beating faster or slower?    Assuming that:  Warming up exercises increases the blood flow to the muscles and increases the heart rate.
Ans: slower

(Q).
Answer the question below:   If you are deflating a balloon with water it will get smaller or larger?    Assuming that:  Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
(A).
smaller

Ques:Answer the question below:   Lizzie visited a village where no predator wiped people out. The population got larger or smaller?    Assuming that:  An increase in predators, the emergence of a new disease, or the loss of habitat are just three possible problems that will decrease a population.

Ans:larger

Answer the question below:   When water loses salt the water becomes more dense or less dense?    Assuming that:  If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
less dense