What is a hydrosphere geosphere atmosphere and biosphere?

What is associated with mid-ocean ridges?

England is a small country. why is english spoken in so many places worldwide? a. england colonized many places throughout the globe. b. the english language is the easiest language to learn. c. england is located near the prime meridian, making it a popular tourist destination. d. because england is an island nation, it has had many visitors.

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?