instruction:
Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
question:
Question: What kind of reaction is needed to prepare amides? Answer: carboxylic acid reaction
answer:
Amides are prepared by the reaction of a carboxylic acid with ammonia or an amine.


question:
Question: What kind of diagrams can be used to illustrate electron movements and ion formation? Answer: electron dot diagrams
answer:
Electron dot diagrams can be used to illustrate electron movements and ion formation.


question:
Question: What is the term for the difference in elevation between two contour lines? Answer: contour interval
answer:

Contour lines are lines of equal elevation. Contour intervals are the difference in elevation between two contour lines.


