Which of the following is not a challenge of life on land?

a. toxic effects of oxygen

c. energy demands of walking

b. variable air temperature

d. moisture loss

Which of the following countries is located in Africa? A. Sri Lanka B. Djibouti C. Kuwait D. East Timor

What is the relative location of most of canada's islands?

If the rate of melting is the same as the rate of accumulation, a glacier will: a) retreat b) stay stationary c) advance

Which of the following is a landform or river that can be found in the Arabian Peninsula region? a. Tigris c. Nile b. Mt. Everest d. Amazon

Which of the following was the main purpose behind the formation of the Arab League in 1945? a. To unite all Arab countries under a single Pan-Arab state b. To create a Pan-Arab economic bloc to counter Western hegemony c.

Why is Dubai creating underwater resorts and reclaimed islands? Dubai has an incredible amount of money to spend on building projects. Dubai's population is growing at a very fast pace, some say too fast.

Where was the maya civilization located

The widespread presence of banana plantations in central america region has resulted in increased standard of living

Which of these has been the result of human activity? a) glaciers melt more b) volcanoes erupt more landslides happen more d) earthquakes happen more

Which types of stars have extremely intense gravitational and magnetic fields?