Help please an observer at the North Pole sees the moon phase shown below. What Moon phase will be observed approximately one week later?

Air flows upward in the wick of a lantern because of the liquid property called

Which is a substance that can be separated by physical means and is not the same throughout

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.