1. Give me a description of deposition, erosion and weathering

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.

Stages 1 and 4 of the demographic transition are similar in that

At which point on the diagram do convection currents occur to drive plate movement?