Álcool+água+sal são homogênea ou heterogênea?

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.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs