Social & Preventive Medicine LD (50) (30) is the radiation required to A Kill 50% of the animals in 30 days B Kill 30% of the ani? .5s in 50 days C Kill 50% of the animals in 50 days D Kill 30% of the animals in 30 days 💡 Explanation LD (50) (30) is the radiation required to ✓ Correct Answer: A. Kill 50% of the animals in 30 days