County officials are appointed by the county board of supervisors,
true
false

True

Explanation:

Board of supervisors is a governmental body that oversees the operation of county . These are the chief elected officially in a civil township.

County Board of Supervisors oversees services such as health, road, parks, libraries and law enforcement. Under the state law, she has been authorized to fill any vacancy in county and legislative offices, to pass resolutions and enact ordinances and regulations.

all of the choices are correct

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.