Question

what do these two changes have in common? mixing glue and laundry powder to create putty compost rotting select all that apply. both are only physical changes. both are chemical changes. both are caused by heating. both are caused by cooling.

Explanation:

Mixing glue and laundry - powder to create putty involves a chemical reaction between the components of glue and the substances in laundry powder to form a new substance (putty). Compost rotting is a biological - chemical process where organic matter is broken down by microorganisms, resulting in a chemical change. Neither process is simply a physical change, and neither is specifically caused by heating or cooling.

Answer:

Both are chemical changes.