What are the importance of regional approach to geography​

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

Which of the following best describes the economy of africa?

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand