Select all of the answers that apply.
the early atmosphere on earth was
mostly carbon dioxide
extremely cold
full of oxygen
hot

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.

the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity