Answer: option B
Explanation: a.combustion is an example for chemical energy into light. Example burning of wood
B. Exothermic chemical reactions releases energy in the form of heat..
Example burning of coal
C. Electric kettle, motor's sound and motorcycle sound are examples for heat to sound
D. Mobile speakers are examples for electrical to sound
Answer:
True is the answer
The answer is:
The first option
Explanation: