Which of the following countries had the longest civil war? Liberia
Ethiopia
Democratic Republic of Congo
Angola

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

What benefits does this type of farming have?

The layers of earth are based on what two sets of characteristics?