Russia turned to which type of economic system in the 1990s?

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

Physical features of central america look at the map above which of the following is true

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration