Betelgeuse is a red giant. This means the star is nearing the end of its life, and becoming larger and redder in the process. What's happening to the surface of the star as it becomes redder? it's cooling down

it's heating up

it's staying the same

Not enough information

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

What is the correct equation for cellular respiration?