How do we know something is moving at a constant speed is the line straight or going up plsss HELPPP

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.

Suggest two reasons why irrigation is important for human development of the desert

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal