Answer the question below:   Don wants to make sure that his particles will move slower, so he will make sure the energy they have is more or less?    Assuming that:  The more energy the particles in matter have, the faster and more strongly they vibrate.
less

Answer the question below:   Ian's town had fewer deaths this year since the food supply changed, which means that this year the food amounts were increased or decreased?    Assuming that:  More recently, the death rate has fallen because of the availability of more food and medical advances.
increased

Q: Answer the question below:   Harold decreased the current in a circuit. The resistance now is higher or lower?    Assuming that:  We can say that resistance and current in an electric circuit areinversely proportional, because as the one increases, the other decreases, and vice versa.
A: higher

Question: Answer the question below:   A increase or decrease in the population cold lead to more food availability?    Assuming that:  As the population increases, the food supply, or the supply of another necessary resource, may decrease.
Answer: decrease

*Question*
Answer the question below:   Ian wants the transpiration rate to rise in his leaves, so he will do what with the humidity levels decrease them or increase them?    Assuming that:  As humidity increases, the water potential gradient across the inside and outside the leaf become more equal, and so the rate of transpiration decreases.
**Answer**
decrease them

(Question)
Answer the question below:   Sarah is carrying two tubs, one is filled with rocks, the other with feathers. The tub with feathers will be lighter because it is more dense or less dense?    Assuming that:  A given volume of a denser substance is heavier than the same volume of a less dense substance.
(Answer)
less dense