It allowed for steel to be produced much more cheaply and efficiently, This made steel more available so enough is produced to build skyscrapers.
Given the situation above regarding natural selection on mating peacocks, if ever females begin to change different criteria than feather color when they choose mates, what would eventually happen to the tails of the peacocks over time is that there would be a decrease in variation in <span>tail feather color because the only reason for variation was selection pressure. The answer is the last option.</span>
Im going to assume its because a "lame duck" session only happened when congress meets after a election.
