If a tree has 10 dark rings and 10 light rings, how old is the tree?

Name the intersection of plane bpq and plane cpq.

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

What information does a complete ionic equation give that the balanced equation doesn’t show?