The correct answer is - In addition, forests provide natural beauty.
This is the only sentence that shows that the ideas from this example and the one before it are connected because they are similar. The other sentences show opposite ideas, by using connectors such as however, conversely (which means 'on the other hand'), and in contrast.
Semi colon because after it says humans it is contradicting itself by saying the opposite. Hope it helps
It has to be A since it's the only one that describes both the financial effects and emotional effects because of the inappropriate words.
Maybe efficient, you didn't put the passage