D. Leon turned to look up at the high blue mountains in the deep snow that reflected a faint red light from the west. He felt good because it was finished, and he was happy about the sprinkling of holy water; now the old man could send them big thunderclouds for sure.
I think the answer is D, they support plants, which filter carbon dioxide from air I suppose.
See see above picture.....
<span>An annotated bibliography is a summary and evaluation of each potential source for a research project. Annotations serves as comments in which it is the corrections or suggestions that can be made in your paper. Annoted bibliography is used for the revision of your research project and will correct the technical or grammatical error that is seen in your paper.</span>