The author cites a Chinese saying (lines 44-46) to emphasize the

a) If

Which of the following is a disadvantage of using hydroelectric energy?

What types of crops are harvested using a digging machine?

One method to reduce the impact of agriculture on other organisms is to ____________.

Photosynthesis is one process that removes carbon dioxide from the atmosphere.

One method to reduce the impact of agriculture on other organisms is to ____________.

Physical weed control involves removing weeds by hand.

Which of the following is a disadvantage of using hydroelectric energy?

Which of the following is a location that carbon dioxide can be stored as a part of carbon capture and storage?