Moving people and goods from place to place is called

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

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa