Both recombination and mutations can contribute to the evolution of an organism, but genetic recombination is the primary source of the genetic distinctions between individuals in a population, and must therefore be the principal driving force behind evolution .
mark brainliest :)
Answer:
Wind exists because of differences in air pressure. (Meteorologists call the force that pushes air horizontally between high and low pressure regions the "pressure gradient force.") The resulting rush of air between these two locations is the wind we experience.
<span>Removing ground water in Mexico City is a problem because it causes A. land to sink.</span>
