Answer:
They usually express a condition.
Explanation:
Sentences containing the word if are called conditional sentences because they usually express a condition.
Example: If he comes, ask him to wait.
Hope this helps :)
Answer:
if you play video games don't trade (people are sneaky). don't give your credit card information on a website that is not official such as balance checkers that are not made by the card company.
The answer is A. Hope this helps you out!!