Name the alcohol that contains five carbons and has a hydroxyl (alcohol) group on the second carbon.

Which position represents spring in the southern hemisphere? a) b) c) d)

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?