How does thermal energy transfer when a slice of pizza is warmed in the microwave?

Give an example to prove that your society is developed more than it was before 10 years ?

What percentage of roads in germany have no speed limit?

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate