They are examples of runoff and and can cause acid rain. Hope this helps
D, light can travel in the air or a vacuum and the speed is constant whether the light source is stationary or moving.
The magnification of the ocular lens of a microscope is x10 and the magnification of the objective lens for low, medium, and high power are 4X, 10X, and 40X, respectively. The measured dFOV under medium power is 2.6mm.
