Physics understands heat as the energy that is transferred from one system to another or from one body to another; a transfer linked to the movement of molecules, atoms and other particles. Heat is a source of energy, and as such, it needs a medium in which to transmit
I don't know about the other ones but the sky is blue because molecules move from the sun than the red from the sun. The blue has separated from the sun.
Answer:
Space probe
Explanation:
Probes send data back to earth for scientists to study. Sputnik 1 was tbe first probe to go into soace
It is called lock and key model. it theorize that enzymes and its substrate behave like a lock and key which fits into each other and does not fit into any other system(lock or key)
