Heat energy refers to the kinetic energy of molecules. heat can move in a number of different ways: when warm air rises causing the gas or liquid to circulate, the process that is said to occur is

The optimistic view of human nature held by supporters of the humanistic perspective led to more positive views of human nature throughout the field of psychology.t or f?

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen