Radioactivity can be detected by use of:

A. Calorimeter
B. Palometer
C. Geiger counter
D. None of thes

🧠 Explanation:

A Geiger counter detects and measures ionizing radiation, identifying radioactive materials. Studying this highlights its role in nuclear physics and safety, a key topic in science. It ensures accurate monitoring in medical, industrial, and environmental contexts, with implications for radiation safety and scientific research, protecting health and advancing nuclear technology applications.