With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.  Having read the above passage, choose the right answer to the following question (choices are greater or smaller ):   If Jim adds more carbon dioxide to the ocean, the level of acidity in the ocean becomes greater or smaller?
greater

The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.  Having read the above passage, choose the right answer to the following question (choices are increases or decreases ):   More particles are deposited when a river's speed increases or decreases?
decreases

Q: For a given medium, sound waves travel more slowly at lower temperatures.  Having read the above passage, choose the right answer to the following question (choices are faster or slower ):   Eric moved to Alaska from Arizona. The lower temperatures overall mean that sound travels faster or slower?
A: slower

Question: Higher-frequency waves have more energy.  Having read the above passage, choose the right answer to the following question (choices are more or less ):   Sasha decreases the frequency of a wave. This wave now has more or less energy?
Answer: less

*Question*
The more branching there is in isomers, the lower the boiling and melting points are.  Having read the above passage, choose the right answer to the following question (choices are lower or higher ):   Eric removed branching isomers from one solution, and left the other solution alone. The removed isomer solution now has a lower or higher boiling point?
**Answer**
higher

(Q).
Objects that are closer together have a stronger force of gravity between them.  Having read the above passage, choose the right answer to the following question (choices are it would increase or it would decrease ):   What would happen to the force of gravity between two soccer balls if Jim moved them farther apart it would increase or it would decrease?
(A).
it would decrease