how can electromagnetic waves be used to fight a forest fire?\ngamma ray images can show hot spots as…

Brief Explanations:

Infrared imaging is commonly used in firefighting to detect heat sources. Hot - spots in a forest fire emit infrared radiation and appear as red areas in infrared images, helping firefighters to locate and combat the fire effectively. Gamma rays are not used for this purpose as they are highly radioactive and dangerous. Ultraviolet light is not typically used to detect fire hot - spots in this way. X - rays are also not used for detecting fire hot - spots in forest fires.

Answer:

D. Infrared images can show hot spots as red areas.