Wet-rice cultivation needs to take place on flat land because
A) large-scale machinery is used.
B) the fields are flooded part of the year.
C) major highways are the main means to get the crop to market.
D) hillside fields would erode.
Answer: B
You might also like to view...
Why might coating a metal with another metal that is easier to oxidize prevent the first metal from being oxidized?
A. The metal that is acting as the coating is protected from moisture and oxygen. B. The metal that is coated is protected from moisture and oxygen so it doesn't react. C. It doesn't prevent it, but helps to slow it down. D. All of the oxidizing agent is consumed by reacting with the easily oxidized metal. E. all of the above
Which of the following describes the relationship between the annual variation of Earth-sun distance and seasonal weather changes?
A. The variation is caused by seasonal weather changes. B. The variation is irrelevant to seasonal weather changes. C. The variation has a major influence on seasonal weather changes. D. The variation is indirectly related to seasonal weather changes.
What type of rock is formed from a pre-existing parent that has been subjected to a change in its environment?
What are small molecules composed of multiple amino acids called?
A)monomers B)protobionts C)bacteria D)proteinoids E)DNA