Answer:
I'm pretty sure the answers for this is D, C, and B.
Answer:
substances can move from areas of low concentration to areas of high concentration
Explanation:
usually substances move across their concentration gradient which is from high concentration to low concentration. Active transport can allow substances to move against their concentration gradient.
A horn results when glaciers erode three or more aretes, usually forming a sharp edged peak
Biology/ Chemistry/ Physics ect
If you apply white light and it reflects only red, you see it red, all the other wavelentghs absorbed. If it reflects all wavelength (i think listed all red-orange....) then it should be white.