*Question*
Answer the question based on the following text. Question: The oxygen levels in water wind up going up when the temperature increases or decreases? Text: 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 based on the following text. Question: Jeff noticed the food supply changed over time in his city. The destruction of farming machines likely caused the food supply to decrease or increase? Text: Better farming techniques and machines increased the food supply and the distribution of food.
**Answer**
decrease

*Question*
Answer the question based on the following text. Question: Theresa increased the amount of water in her pool. Rock would likely melt faster or slower? Text: As the amount of water increases, the melting point of rock decreases.
**Answer**
faster

*Question*
Answer the question based on the following text. Question: If Jim increases the frequency of the radio waves on his shortwave radio, will the radio use less energy? or more or? Text: In electromagnetic waves with higher frequencies, photons have more energy.
**Answer**
more or