Hydrologic Cycle and Human Use (Environmental Science)
How does changing the earth's surface (by deforestation, for example) change the pathways of water?
How does this affect humans and animals?
The Production and Distribution of Food (Environmental Science)
How is relief for famine and severe hunger accomplished? Why does food aid sometimes aggravate poverty and hunger?
Energy from Fossil Fuels (Environmental Science)
How have the fuels used to power homes, industry, and transportation changed from the beginning of the Industrial Revolution to now?
List and describe four steps that can be taken to reduce the amount of fossil fuels being used.