_____ are the temporal units that coverthe greatest expanses of the 4.5-billion-year span ofgeologic history.
A. Epochs
B. Periods
C. Eras
D. Eons
D. Eons
Explanation: Geologists have divided the vast 4.5-billion-year span ofgeologic history into various temporal units. Eons coverthe greatest expanses and are subdivided into eras. In turn,eras are divided into shorter units known as periods, andperiods into smaller units again known as epochs.
You might also like to view...
The Supreme Court decision in __________ was the first since the New Deal that the Court ruled to limit congressional power by claiming Congress had exceeded its authority under the commerce clause.
A. Barron v. Baltimore B. Kimel v. Florida Board of Regents C. Nevada v. Hibbs D. United States v. Lopez E. United States v. Morrison
Where was the first permanent English settlement in North America located?
a. Massachusetts Bay b. Plymouth c. New York d. Jamestown e. Quebec
After the 1800 election, the judiciary
a. declined in significance. b. became a bastion of Republican partisanship. c. became the only remaining Federalist bulwark in a Republican dominated government. d. tried to challenge the election results.
How do you explain the Watergate scandal and President Nixon's role in it?
What will be an ideal response?