PLZ HELP EASY POINTS I'M JUST DUM!! draw what happens when 10 air molecules are warmed at the surface and then cooled higher in the atmosphere. Draw arrows to show how they move and add notes to describe what is happening to them. Draw how clouds form and describe where the water comes from.

A__ is two or more substances that are together in the same place but are not chemically combined

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.