There are 4 red balls for every 9 blue balls. There are 7 blue balls for every 8 green balls. There are 3 green balls for every 1 white ball. How many white balls are there if you had 49 red
balls?

How do you tell if someone actually cares about you? and just say they do?

How many neutrons does plutonium -196 with an atomic number of 78.

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.