Question

Radiations are harmful as it
A.causes skin cancer
B.causes anemia
C.alters body tissues
D.is unstable

Answer 1

alters body tissue is the answers

Answer 2

A blackbody refers to an opaque object that emits thermal radiation. A perfect blackbody is one that absorbs all incoming light and does not reflect any. The box should be completely closed on all sides, so that the inside forms a cavity that does not receive light from the surroundings