What do the four terrestrial planets have in common? a. they all revolve about the sun in the same direction. b. they are all the same size. c. they all have identical orbital shapes. d. they all have the same aphelion distances?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

How does secondary succession differ from primary succession?