Explain what causes a geyser to erupt.

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.

A/an map shows the types of rock and/or sediment present in a particular region.a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map.a map has contour lines, which connect points at the same elevation.a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south