45. Spectroscopy is A) the study of sunlight B) the study of the properties of light C) the study of distant stars D) the study of vision

Which city has the largest population in the world?

What are the main cultural features of North America?

Name three types of conservation areas in south Africa for conserving terrestrial flora and fauna

What is the length of Shanghai?

Do ecosystems have borders

Where are monsoons are most commonly found?

What role do ocean currents play in a crocodile's migration?

Though the population of Arab Southwest Asia is small, this region still plays an important part in world affairs. Why? A. Oil wealth and their role in the Arab-Israeli peace process B. They have democratic governments and strong trade policies. C.

What is considered one of the biggest threats to folk cultures around the world

What is erosion A) the melting of solid sheets of ice near the top of a mountain B) a natural event that happens quickly, such as lightning striking a tree C) the name given to the very slow change of rocks being worn down