What other star property changes while the colors of stars also change?

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

trachea, alveoli, lung capillaries, arteries

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

genetic variation will increase because of a new habitat and food source.

explanation: