Answer:
I would have to go with "water"
Explanation:
Rainforests also help to maintain the world's water cycle by adding water to the atmosphere through the process of transpiration which creates clouds.
Answer: The appeal made in this sentence is a logical appeal.
Explanation:
A logical appeal is a persuasive technique which is based on evidence. In this sentence, the statement made was based on a study published in the Wall Street Journal. The results of this study, therefore, represent evidence. According to Aristotle, apart from logical appeals, there are two other methods of persuasion - emotional appeals and ethical appeals.