If an atom is supplied with excess energy: an electron may change to an excited state
a proton will leave the nucleus
an electron may move to a higher energy level
an electron may move to a lower energy level
an electron may fly off (exit) the energy level

(MULTIPLE CHOICES)

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot. active transport involves transport proteins, and facilitated diffusion does not. facilitated diffusion involves transport proteins, and active transport does not. active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

The wind speed in the region between cities a and b was probably the greatest at noon on which day?