(a) different types of cells A, B and C (b) structure D
(c) the waxy, water-repellent layer E
(d) provide a stable heading for the above diagram​

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

the answer is cell division : )

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds