If you observe a clue to chemical change, you cannot be certain that a .........................
The clue may be the result of a ........................
For example, energy is always ........................
___________ form when you boil water or open a carbonated drink.
A. Physical change; chemical reaction; conserved; released
B. Chemical change; physical process; consumed; absorbed
C. Physical change; biological process; conserved; released
D. Chemical change; nuclear reaction; consumed; released