How does first-degree murder differ from second-degree murder?

How does first-degree murder differ from second-degree murder?

• A. First-degree murder requires premeditation and deliberation.
• B. Second-degree is an intentional killing without premeditation.
• C. First-degree murder involves death during a felony; second-degree does not.
• D. First-degree requires cooling-off period.

Answer: (A)