This gas is found in small quantities in the lower layers of the stratosphere this gas is extremely important because it absorbs ultraviolet radiation

a. argon
b. carbon dioxide
c. nitrogen
d. ozone

Which of the following represents an upside-down image?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.