Ques: Answer the question below: Tom lowered the temperature of a reactant in a lab. The particles in the reactant now have less or more energy? Assuming that: At higher temperatures, particles of reactants have more energy, so they move faster.
Ans: less

Ques: Answer the question below: A dog, compared to an elephant, will have a number of electrons that is larger or smaller? Assuming that: Bigger atoms have more electrons.
Ans: smaller

Ques: Answer the question below: What happens to Susie's chance of contracting breast cancer as she gets older increases or decreases? Assuming that: Breast cancer is rare in teens. It becomes more common as women get older.
Ans: increases

Ques: Answer the question below: If Mona is a smoker, but decides to stop smoking, what happens to the difficulty her lungs experience in removing chemicals from the air increase or decrease? Assuming that: When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.
Ans:
decrease