what do these two changes have in common? roasting a marshmallow over a campfire sauce burning on a stove…

what do these two changes have in common? roasting a marshmallow over a campfire sauce burning on a stove select all that apply. both conserve mass. both are chemical changes. both are only physical changes. both result in a different type of matter than was there before.

what do these two changes have in common? roasting a marshmallow over a campfire sauce burning on a stove select all that apply. both conserve mass. both are chemical changes. both are only physical changes. both result in a different type of matter than was there before.

Answer

Brief Explanations:

Roasting a marshmallow and sauce - burning are chemical changes as new substances are formed. According to the law of conservation of mass, mass is conserved in chemical reactions. They are not just physical changes as physical changes do not result in new substances.

Answer:

A. Both conserve mass. B. Both are chemical changes. D. Both result in a different type of matter than was there before.