The cenozoic was a time of
a. mountain building
c. global warming
b. continental breakup
d. slow, global extinctions

(05.04 mc) how did the roman transportation system keep the empire strong? plz

Read the passage below. which of these statements describes the problem with including this passage as part of an explanatory essay? passage: the neolithic revolution changed everything for humans. before the n.r., you couldn't even plant food. i know you want to hear more, don't even deny it! o a. the tone is too dull and does not include a hook to keep the reader interested. o b. the tone is too objective and does not show the author's opinion. o c. the tone is too transitional and does not stay focused on one topic. o d. the tone is too informal and does not use appropriate vocabulary. surmit

How important was the erie canal in in connect, unify and expand the nation