For the following nuclear reaction, determine the type of radioactive decay involved: alpha decay, beta decay, gamma emission, or positron emission.
¹⁴⁴₆₀Nd → ¹⁴⁰₅₈Ce + ⁴₂He

• A. Alpha Decay
• B. Beta Decay
• C. Gamma Emission
• D. Positron emission

Answer: (A)