17.Why does our sun give off light? a. The sun redirects and focuses energy from other planets.
b. Nuclear fission in the sun’s core generates photons.
c. Nuclear fusion in the sun’s core generates photons.
d. As the sun spins, it loses light which travels towards us.

C

Explanation:

c. Nuclear fusion in the sun’s core generates photons.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.

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