Question: Answer the following question given this paragraph: Evaporation is a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid. Typically, the mixture is heated until all of the liquid has vaporized, leaving behind the dissolved solids ( Figure below ). The vapor can also be captured and recondensed into a liquid if desired. Q: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid? Choices: - transpiration - absorption - distillation - evaporation A:
Answer: evaporation

Question: Answer the following question given this paragraph: Coronary heart disease often does not have any symptoms. A symptom of coronary heart disease is chest pain. Occasional chest pain can happen during times of stress or physical activity. The pain of angina means the heart muscle fibers need more oxygen than they are getting. Most people with coronary heart disease often have no symptoms for many years until they have a heart attack. Q: The pain of angina means the heart muscle fibers need more what? Choices: - water - carbon - nitrogen - oxygen A:
Answer: oxygen

Question: Answer the following question given this paragraph: Pollen is a tiny male gametophyte enclosed in a tough capsule. Pollen carries sperm to an ovule while preventing the sperm from drying out. Pollen grains can't swim, but they are very light, so the wind can carry them. Therefore, they can travel through air instead of water. Q: What is the tiny male gametophyte enclosed in a tough capsule? Choices: - Cell Capsule - nitrogen - calcium - pollen A:
Answer:
pollen