Question: Answer the following question given this paragraph: Summary Real crystals contain large numbers of defects. Defects may affect only a single point in the lattice (a point defect), a row of lattice points (a line defect), or a plane of atoms (a plane defect). A point defect can be an atom missing from a site in the crystal (a vacancy) or an impurity atom that occupies. Q: A point defect can be an atom missing from a site in the crystal known as a what? Choices: - void - deficiency - vacuum - vacancy A:
Answer: vacancy

Question: Answer the following question given this paragraph: In most species, one or both parents take care of the eggs. They sit on the eggs to keep them warm until they hatch. This is called incubation. After the eggs hatch, the parents generally continue their care. They feed the hatchlings until they are big enough to feed on their own. This is usually at a younger age in ground-nesting birds such as ducks than in tree-nesting birds such as robins. Q: When animals use incubation, how do they generally give birth to their young? Choices: - copying - live - division - eggs A:
Answer: eggs

Question: Answer the following question given this paragraph: Theoretically, soil and water are renewable resources. However, they may be ruined by careless human actions. Q: Which factor ruins renewable resources like soil and water? Choices: - melancholic human action - hateful human action - resentful human action - careless human action A:
Answer:
careless human action