The rate and amount of wind erosion is most influenced by . 1) wind velocity
2) animal life
3) climate
4) plant cover

I apologize in advance for this not really being a biology question, I couldn't find a better subject since I'm in a 9th-grade earth science class

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answer; polycythemia is the correct answer;

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."