Which of the following is the hottest part of the sun?
convective zone
inner core
photosphere
radiative zone

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

What property of an object determines its inertia?