Think about renewable sources of energy that are avaible. which renable energy sources will you use:
a. to heat or cool? b. to provide hot water in your home? c. to provide electricity in your home? can you give a site on renable sources or me understand? because im confused.

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.

In the developed world, describe the changing role of women in agriculture.

In the diagram, δgef and δhef are congruent. what is the value of x?