What is the function of our ecosystem? Environmental Issues: Select the best answer from the choices provided.
A.
It shields the Earth from the sun's UV rays.
B.
It breaks down and absorbs pollution.
C.
It increases oxygen in the atmosphere.
D.
It increases temperature in the summer and decreases temperature in the winter.

Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character

The location of the stomach is the diaprham

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.