Answer the question below: Mona lives in a city that uses much oil. If the mayor of that city decides to change their policy and the city begins using less oil, what happens to the amount of pollution generated by the city increases or decreases? Assuming that: Greater use of oil and other fossil fuels causes more pollution.
decreases

Answer the question below: When the villagers are dying sooner, the food source is likely great or small? Assuming that: More recently, the death rate has fallen because of the availability of more food and medical advances.
small

Q: Answer the question below: If Mona is adjusting the pH levels of her fish tank and she makes the pH lower, what happens to the baseness of the water higher or lower? Assuming that: The higher the pH value is, the stronger the base.
A: lower

Question: Answer the question below: If Mona fills up a cup with water and places that water into the oven, what happens to the density of the water as it heats up increases or decreases? Assuming that: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
Answer: decreases

*Question*
Answer the question below: The oxygen levels in water wind up going up when the temperature increases or decreases? Assuming that: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
**Answer**
decreases

*Question*
Answer the question below: As cables get shorter they need to get thinner because short cables have less resistance or more resistance? Assuming that: Longer wires have more resistance than shorter wires.
**Answer**
less resistance