Acid rain is not straightforwardly _____ to the burning of coal.
举一反三
- Acid rain is not straightforwardly _____ to the burning of coal. A: contributes B: contributory C: attributes D: attributable
- Linolenic acid is abundant in:</p></p>
- Sulphur dioxide (二氧化硫 ) from the use of coal and oil causes much acid rain, nitrous oxide (氧化氮) which erode our ozone layer.
- The concentration of carbon dioxide is caused by_______. A: the heat accumulated in the atmosphere B: the burning of coal C: the wide use of renewable energy D: the destruction of the tropical rain forest
- The Amino Acid Score is defined as:</p></p>