Suppose that you were a researcher trying to understand how rising levels of atmospheric co2 might affect ragweed plants, and thus seasonal ragweed allergies. what questions, hypotheses, and predictions might you want to study?

work input is how much work you put into a machine and work output is the work done by the machine according to how much work you put into it. i think?

answer; i believe the correct answer is (anemia);

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."

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate