Use information from the paragraph to answer the question. Question: Don is sending out wavelengths, and wants them to correspond to higher energies. In order to best do this, Don will send out wavelengths that are longer or shorter? Paragraph : Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.
shorter

Use information from the paragraph to answer the question. Question: Between the United States, the richest nation in the world, and the Democratic Republic of Congo, the poorest nation in the world, which uses more gasoline per capita, the people in the United States or the people in the Democratic Republic of Congo?? Paragraph : Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.
the people in the United States

Use information from the paragraph to answer the question. Question: Bob takes a deep breath, so that his lungs will have less painful pressure, making the size of Bob's chest decrease or increase? Paragraph : Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
increase

Use information from the paragraph to answer the question. Question: Ryan noticed that a unpopular solar panel is more or less expensive than it was? Paragraph : Solar power is expensive, but as demand increases technology improves and costs decrease.
more