Assertion (A): Decay and decomposition of dead organic matter by microbes is a chemical reaction. Reason (R): In a chemical change, the original substance and its properties change to a new material with new properties.
Choose Your Option
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true, but R is false
D. A is false, but R is true