I think I’ve answers this altered but it’s time
The correct answer is option C, that is, the Operons afford the organism the opportunity to simultaneously monitor the transcription of multiple genes, whose products are active in the same process.
The genes, which correspond to a particular metabolic procedure are usually under the control of a single promoter in a bacteria. This is known as Operon that assists in monitoring the expression of genes taking part in the similar metabolic procedure.
The answer is B, less sulfer became present in Earth's soil.
When the sperm enters the female, the chemicals from the pill kill the sperm. Therefore the female won’t get pregnant.
I hope this helps.
Weather is short period climate is over a period of years