What are megacities and meta-cities, and why are they increasingly located in peripheral and semi peripheral countries?

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a.organisms would evolve to increase variety b.natural selection would operate faster c.less food would be available d.evolution through natural selection would not occur

Dentify one advancement from the industrial revolution that had a significant impact on agriculture, and discuss the benefits this advancement had on the industry.

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?