Question

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

Answer 1

A

Step-by-step explanation:

Gravity pulls

Answer 2

B.the energy produced from the fusion of atoms

Step-by-step explanation:

Nuclear fusion reactions occur in the Sun and supply the energy needed to sustain life on Earth.