The continent of Antarctica is covered with an ice sheet. Which part of the Earth system includes the ice sheet?

A. biosphere

B. cryosphere

C. hydrosphere

D. atmosphere

This nation is a communist dictatorship. Brazil Costa Rica Cuba Puerto Rico

Who lives in Antarctica? A) A large native population B) A large number of South American immigrants C) A small group of researchers D) A small number of natives

Explain the factors that influence the population distribution of Australia. Why does most of the population live on the east coast and in cities?

Phoenician Traders set up trading posts in all of the following regions except a North Africa B Spain C British Isles D Italy

What is the middle of the Earth called?

As a result of a mountainous terrain, all of the following occurred except: A independent Greek city-states arose B large empires developed C trade and outdoor markets developed D outdoor civic life flourished

Why do cities form and how have they affected culture?

Why is india called the world's largest democracy

Africa's longest river is the

Terraces are used in agriculture to?