Summarize how models us understand astronomy?

Who was the better president between richard nixon and john adams in terms of accomplishments ?

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.

Popular culture mainly encompasses the realm of