2. the relationship between mass, density, and volume is that mass (m, measured in grams, g) is the product of density p. measured in g/cm) times volume (cm): m = p x v. recall that the greek letter tho (p) is used to represent density (a) if you know mass and density, you can calculate the volume. how? (b) if you know volume and density, you can calculate mass. how?

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.

Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles