Is pizza a element compound homogeneous mixture or heterogeneous mixture?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.