How does a microscope scientists observe objects?

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.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what