Once a star produces enough heat from friction, it switches to this type of energy production:

Star Formation

The infalling gas releases kinetic energy in the form of heat and the temperature and pressure in the center of the protostar goes up.

Explanation:

hope it helps (●´з`)♡

its makes radio waved which causes solar energy for earth

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

i wish i could with all of them i can barley see the first one so here's the answer to the first one b