Approximately what portion of north america is covered by forests?

1/4

1/3

1/2

3/5

Why might have people followed the rivers to find their way into asia

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

Which age groups shows the graestest diferrence between males and females