Base your answer to question 47 on the quotation
below and on your knowledge of social studies.
long before the rule of pharaohs, egyptians grew
wheat and barley and raised pigs, goats, sheep
and cattle. spotty evidence had suggested that
agriculture was practiced there more than 7,000
years ago, two millenniums earlier than the first
royal dynasties.…
— john noble wilford, new york times,
february 12, 2008
which period in history is referred to in this
excerpt?
(1) industrial revolution
(2) neolithic revolution
(3) scientific revolution
(4) green revolution