Question: Answer the following question given this paragraph: Organs of the excretory system include the kidneys, large intestine, skin, and lungs. Q: The lungs, kidneys, skin, and large intestine are all part of what organ system? Choices: - sensory - digestive - respiratory - excretory A:
Answer: excretory

Question: Answer the following question given this paragraph: An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of oxygen. An ether is represented by the general formula ROR'. The R' in the formula means that the hydrocarbon group can be the same as R or it can be different. The steps for naming ethers are listed below. Q: An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what? Choices: - hydrogen - sulfur - nitrogen - oxygen A:
Answer: oxygen

Question: Answer the following question given this paragraph: Saturn's composition is similar to Jupiter's. The planet is made mostly of hydrogen and helium. These elements are gases in the outer layers and liquids in the deeper layers. Saturn may also have a small solid core. Saturn's upper atmosphere has clouds in bands of different colors. These clouds rotate rapidly around the planet. But Saturn has fewer storms than Jupiter. Thunder and lightning have been seen in the storms on Saturn ( Figure below ). Q: Saturn is made mostly of helium and what else? Choices: - nitrogen - carbon - hydrogen - hydrogen A:
Answer:
hydrogen