John muir convinces teddy roosevelt that the best way to protect yosemite vally was through:

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

i think they should to be honest

explanation:

we need the answer choices to answer the question