CAN YOU PLEASE HELP ME? The universe has many different components. Place these 4 components of the universe in the most likely order from largest to smallest. (Planets, stars, galaxies, nebulae)

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england