If the Earth was formed billions of years ago, then why is this year still called as 2020?

The difference between the lower class limits of adjacent classes provides the

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory

Which statement best represents an economic weakness of the national government under the articles of confederation? a. the national government was unable to collect taxes. b. national and state taxes combined were too high for most services to pay. c. congress set different tax rates for each state, leading to conflict. d. state refused to collect taxes on behalf of the national government