BeacuSe most of the ancient greek and rome stuff is there
Explanation:
The moon's mass is 7.35 x 1022 kg, about 1.2 percent of Earth's mass. Put another way, Earth weighs 81 times more than the moon. The moon's density is 3.34 grams per cubic centimeter (3.34 g/cm3).
Answer:
Longitude lines are used to measure east and west.
C. Over come difficult terrain.
Farmers use this technique on uneven or mountainous terrain
