Question

2. Fill in the blanks.
(1) In the sun, heat and light are produced by __________
reactions.​

Answer 1

Explanation:

nuclear reactions is your answer

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Answer 2

Explanation:

nuclear fusion

The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light). The sun's surface is about 6,000 Kelvin, which is 10,340 degrees Fahrenheit (5,726 degrees C)