Which of the following statements is an example of how climate and vegetation influence lifestyles?

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.

What is the mercury length of time for one revolution around the sun?

Suggest two reasons why irrigation is important for human development of the desert (4 marks)