How can volcanic eruptions cause the average temperature on the planet to drop?

the ash in the atmosphere blocks the sunlight.

volcanic ash insulates the earth.

volcanic ash is hot.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

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.

If your blood becomes too concentrated with iona, what will happen to the red blood cells