Which component of galaxies gives off its own light? I need an answer ASAP! And I need it to be correct, I need you to give me an correct answer and you know it’s correct thanks

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

What is the value of keq for the reaction expressed in scientific notation

In the reaction between a crushed antacid tablet and vinegar what gas is emitted