Which condensed structural formula represents an unsaturated compound?
(1) ch3chchch3
(2) ch3ch2ch3
(3) ch3ch3
(4) ch4

Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?