Question

Which of the following statements is true?
-Stirring, compression, and friction are ways to increase heat.
-The intensity of light depends on the number of photons.
-The sun's energy comes from the nuclear reactions of changing hydrogen into helium.
-All of the above.

Answer 1

The first three statements are all true.

Answer 2

Hey there! 

Question: which of the following statements is true? 

Answer: Stirring, compression, and friction are ways to increase heat (A); The intensity of light depends on the number of photons (B) ;The sun's energy comes from the nuclear reactions of changing hydrogen into helium (C) 

Sum it all up:"All of the above"(D) would most likely be your result of this question 

Good luck on your assignment and enjoy your day! 

~$LoveYourselfFirst:)$