Which of the following best describes an example of how market gardening may alter the landscape?
Farmers in China dig terraces into mountainsides to capture rainwater and
maximize the amount of arable land.
Farmers in the Amazon River basin produce cash crops such as oil palms by
practicing plantation agriculture.
Farmers in the United States convert from conventional agriculture to
organic farming to meet consumer demands.
Farmers in Southeast Asia slash and burn their fields after the harvest to
replenish the soil and facilitate quick planting of the next crop.
Farmers in Europe construct large greenhouses to produce a year-round
supply of vegetables in temperate climate zones.