What happens to the vast majority of sewage in coastal areas of Latin America?

What's the velocity of a sound wave traveling through air at a temperature of 20°C (68°F) ?

5. Which of the following types of pollution cannot be attributed to car and truck emissions? A. Acid rain B. Sedimentation C. Ozone D. Photochemical smog I think it is Ozone.

The population of Oregon is about 4,000,000. What is the order of magnitude of this number? a) 7. b) 6. c) 3. d? 4

describe the difference between a divergent and a convergent plate boundary. name the geologic features found near each type of boundary

Which of the following statements about Russia is true? A. Russia has the world's largest population. B. Russia is the largest country in the world with regard to land area. C. Russia has the highest GDP per capita in Europe. D.

Fault-block mountains are formed when a shift takes place along a fault line and a. one side drops into the ocean b. one side is elevated c. one side drops into a fault d. both sides are elevated

Describe how the idea of archaeological context affects how an archaeological site is excavated. What must archaeologists do in order to preserve context?

If sea level rises above a coral reef, what may happen to the reef? << read less

How are the land forms of Europe both an advantage and a disadvantage to life in Europe?

Which asian capital was formerly known as edo?