Social impact of technology lesson 4 and 5 exam ashworth college Natasha Lusumpa.docx

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Natasha Lusumpa Attempt 1 Written: Mar 22, 2020 11:26 AM - Mar 22, 2020 1:06 PM Submission View Your quiz has been submitted successfully. 2.5 / 2.5 points The foremost emitters of methane are Question options: rivers. industries. hes. According to the course, which of these has not been linked to damage caused by UVB radiation? Question options: n of DNA and premature aging nd squamous cell carcinomas burn As the Arctic permafrost melts, it releases _______ into the atmosphere. Question options: des
r The current rate of species extinction is conservatively estimated at _______ times greater than the background rate. Question options: 0 00 When ecologists study the way energy is distributed over a food chain or the rate at which nutrients are recycled, they're engaged in _______ in an effort to understand how the whole system works. Question options: ogy nalysis ecology studies
Plankton and phytoplankton represent the base of the oceanic food chain and produce about _______ percent of our planet's atmospheric oxygen. Question options: Two students are discussing causes of desertification in semi-arid locales. Allen maintains that overcultivation depletes soil of vital nutrients. Audrey argues that overgrazing strips vegetation and leads to soil erosion and deforestation. Which student is correct?

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