The Mesozoic era is the age of "middle life" on Earth

______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.(1.0) A: It is the sun and not the earth B: Being the sun and not the earth C: The sun and not the earth D: That the sun and not the earth

____isthe center of our planetary system was considered as heresy by the church in the Middle Ages. A: It is the sun and not the earth B: That the sun and not the earth C: Being the sun and not the earth D: The sun and not the earth

As the king of the black, Sauron is the common enemy of other races on middle-earth.

_____ is covered with heavy snow. A: The earth’s surface B: The surface of earth C: The surface earth D: The earth surface

Why is the Medieval period named as the “Middle Ages” in European history? A: It is in the middle of the Christian Tradition and Islamic Tradition. B: It is in the middle of the Classical period and Modern period. C: It is in the middle of the early middle ages and late middle ages. D: It is in the middle of the landmass called Eurasia.

The earth _______ round the sun, and the moon _________ round the earth

The purpose of Earth Day is ______. A: to help people memorize the earth B: to help people to learn how to protect the earth C: to unite all the people on the earth D: all of the above

One day on the moon is ______. A: two Earth week long B: two Earth weeks long C: two Earth weeks longer D: two Earth weeks length

From the middle and late 15th century to the age of the great navigation at the end of the 17th century, civilized humans reached and initially recognized about____of all the land on the earth’s surfa A: 2/3 B: 7/10 C: 4/5 D: 9/10