the rule of 70 can be used to determine a population’s doubling time. doubling time is a measure of the:

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

What percentage of roads in germany have no speed limit?

Which beliefs and principles in the declaration of independence and the us constitution create a national identity