Which is an arrangement of genes consisting of an operator a promoter , and a repressive

An operon is an arrangement of genes consisting of an operator, a promoter, and a repressor. It is a functioning unit of DNA which contains cluster of genes controlled only by a single promoter.

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earthquakes in florida are rare because the state is not located near any tectonic plates. in fact, florida is tied for first place as having the fewest earthquakes of any state. much of florida is limestone and seafloor materials that is not conducive to earthquakes.

explanation:

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!