The primary producers in freshwater and salt water ecosystems are heterotrophs. true or false

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.

How long does it take for saturn to orbit the sun?

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15