Civilization has changed much in the last 2,000 years, or two ____________.

A.millennia  B.centuries  C.millennium  D.decades


Verified Answer :

A.
Millennia



Millennia a
plural form of millennium is equivalent to 1000 years. Which means that 2
millennia is equivalent to 2,000 years span of time. Centuries, a plural form
of century on the other hand is 100 years in total, only. And lastly a decade,
is 10 years in total. All of these are terms in which they pertains to certain
amount of time which increases by power of 10. As you noticed.

10 – Decade

100 – Century

1000 – Millennium