What sustains the nuclear reaction in our sun?
a. the high pressure created by our sun's gravitational pull
b. the energy produced from the fusion of atoms
c. the energy released from the fission of atoms
d. the long half-life of its radioactive elements

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.

Ais cytoplasmb is cell membranec is ribosomesd is dnaur welcome and can i pls have brainliest?