There are approximately how many people in the world today?
1.5 billion
6.5 billion
3 billion
10 billion

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

In what way does renewable energy differ form nonrenewable energy?

State a hypothesis with a numerical estimate of the calories contained within a peanut based on the nutritional information on the package label combined with what you have learned in this lesson about fuel efficiency and calorimeters.