Which sentence uses the time-related term correctly?

a. jill enjoys reading about american history, especially the last 40 years, or four decades, of the nineteenth century.

b. jill enjoys reading about american history, especially the last 40 years, or four millennia, of the nineteenth century.

c. jill enjoys reading about american history, especially the last 40 years, or four eras, of the nineteenth century.

d. jill enjoys reading about american history, especially the last 40 years, or four centuries, of the nineteenth century.

The correct answer is letter A.

Explanation: Geologic timescale represents the timeline from Earth's formation to the present, divided into eons, ages, periods, ages and ages, which are based on the major geological events in the planet's history. Although it should serve as the absolute chronological framework for

paper money known as continental currency, or continentals.

sharing a small living space with family

members. during the industrial revolution, people from the countryside came to

cities in multitudes looking for greener pastures by obtaining jobs in

factories. for this reason, the family members had to live together in small

space