What is a migration flow? Describe an example of a moden or historical migration flow

How does a tributary affect the amount of water flowing through a river?

Which factor below reduces our ability to address many environmental health problems? Scientists don't understand how most infectious diseases are spread. Most environmental health problems are in rural areas, far from health professionals.

What will happen if Desertification continues?

What is the name of large snowstorms common in New England

In order to simulate abyssopelagic zone conditions in a model aquarium design, what temperature and pressure conditions would be required?

What is conic projection

Ryan lives in Texas. For vacation, he wants to drive to a foreign country that is warm and English-speaking. Which of the following vacation spots would be the best choice for Ryan?

After World War II, President Dwight D. Eisenhower believed developing which of the following would benefit the growth of cities as well economic growth in general?

Earth's biosphere is

Develop nations have usually moved away from agriculture as a primary source of income and have what