How much of the U. S.'s electricity is provided by coal?

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.

Most of earths fresh surface water is found in

Can someone answer all these questions i need it done by tonight. once again