Question

what do these two changes have in common? making jam an engine using gasoline to power a car select all that apply. both are chemical changes. both are caused by heating. both are caused by cooling. both conserve mass.

Explanation:

Making jam involves a chemical change as new substances are formed during the cooking process with sugar and fruit. In a car engine, gasoline undergoes combustion, a chemical reaction that releases energy to power the car. Both are chemical changes. Heating is involved in making jam to cook the ingredients and in a car engine during combustion.

Answer:

Both are chemical changes, Both are caused by heating