Someone help ,, I'll give brainliest loll .

Stage in which a star’s outer layers have started to cool and grow outward?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .