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.

[Q]: Question: What type of ions do ionic compounds contain? Answer: positive and negative
[A]: An ionic compound contains positive and negative ions.

[Q]: Question: When did new plants start sprouting after the forest fire? Answer: two months later
[A]: Secondary Succession. Two months after a forest fire, new plants are already sprouting among the charred logs.

[Q]: Question: What is formed when an acidic solution and a basic solution react together in a neutralization reaction? Answer: salt
[A]:
An acidic solution and a basic solution react together in a neutralization reaction that also forms a salt.