What are some ways in which our political and economic system has inhibited the response to scientific information about the damage these phenomena have caused? Some examples you can look up are the Love Canal, Rachel Carson’s book Silent Spring, the burning of the Cuyahoga River, and the Exxon Valdez oil spill (but feel free to find your own as well). Remember also the climate change video from Dr. Oreskes available on the course pages. Explain at least 3 ways. (This is an environmental science question)

the bedroo..

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."

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.