In persuasive writing, an authority is someone who
A. knows what they are talking about and
provides information in an unbiased manner.
B. has experienced the issue and can provide
information regrading their own experiences.
C. an individual who is in charge of the situation
and provides guidance when necessary.

Inform should be the answer

Should animals be killed for meat? should we stop deforestation to keep species of animals from going extinct? should we care if certain animals go extinct?

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."