If the demand for copper increases but the supply remains the same then the price of copper will increase because the amount of people buying it have increased, but because the suppliers are at a constant rate of production it costs more to get the copper, and so it costs more for the suppliers to buy the copper. So in order for the suppliers to break even they have to increase the price of the copper or risk losing the money. So your answer is D.
The query is based in inherited and acquired traits wherein a student is provided with a list of traits and is asked to arrange them in a Venn diagram. The correct answer for the given query would be the third option. The traits that the student should put in the section inherited is tiger's stripes and type of blood.
Promoter sequences/region is where the transcription factors and RNA polymerase must attach before the gene can be transcribed. SO if we mutate this sequence, the transcription factors and RNA polymerase won't recognize it thus would not attach and transcribe the targeted gene.
