According to the law of supply and demand, if the demand for
copper increases, while the supply of copper remains the same *
o
copper use would decrease
o
the demand for copper will increase even more
o
the price of copper will decrease
o
the price of copper will increase

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.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.