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almost all plants have chemical defenses. Those chemical defenses may kill us if we eat too much, but they also may kill microbes that would kill us before the chemicals kill us. A whole lot of our medicines have come from plants, and there undoubtedly are more to be discovered. There is a race on to find those new medicines before we exterminate the plants containing the medicines. Devil’s club has been around longer than Pepsi has.Points Earned: 1.0/1.0 Correct Answer(s):D
14. What is accurate about humans and extinctions?early humans and modern humans have contributed to extinction.Points Earned: 1.0/1.0 Correct Answer(s):C15. The gas from the Marcellus shale:gas production, so all the “fracking” is done at night.fuels from the almost-worthless shale.in the shale that allow the gas to escape to wells.named because someone once said “What the frac...”. Points Earned: 1.0/1.0 Correct Answer(s):C