Which of the following statements describes why the central lowland region is primarily tall-grassland prairies?

a) recurrent natural fires prevented trees from growing.
b) generally, there is insufficient rainfall to support trees.
c) cold air masses continually descend from the north.
d) only grass can grow on the marshy lands.

read the sentence below and answer the question that follows. one of the norms in the village was to meet at the town square on fridays for a community dinner and dance. the underlined word in the sentence above is best defined as a a. cultural element shared by all people around the world b. specific area in a town used for traditional community events c. religious custom accepted and practiced by all members of a village d. behavioral pattern that is regularly accepted by a group of people