*Question*
Use information from the paragraph to answer the question. Paragraph : 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. Question: Jimbo heated a pot of water on his stove. What happens to the amount of oxygen contained in the water as the temperature increases increases or decreases?
**Answer**
decreases

*Question*
Use information from the paragraph to answer the question. Paragraph : When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction. Question: If you spend very little time working out your muscles will be smaller or larger?
**Answer**
smaller

*Question*
Use information from the paragraph to answer the question. Paragraph : If we increase the resistance in a series circuit, by adding more resistors, then the total current decreases. Question: Quint removes resistors in a circuit to decrease the resistance. The total current in the series circuit increases or decreases?
**Answer**
increases

*Question*
Use information from the paragraph to answer the question. Paragraph : Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do. Question: Chris is studying two countries. He finds that China has twice as many factories putting out fossil fuels into the air than the United States. Based on this information, the factories in United States or China are causing more air pollution?
**Answer**
China