Biology, 17.05.2021 02:50 cbwarner1325
The atmosphere has become less polluted over time.
Please select the best answer from the choices provided
True or false
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Biology, 20.06.2019 18:02
Akey difference between the health belief model and the stages of change model for understanding individual health behavior change is that the health belief model acknowledges the role of perception, while the stages of change model does not. true
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Biology, 21.06.2019 19:00
Can someone me with this and tell me whatโs fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?
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Biology, 21.06.2019 20:00
Over the past 60 years, many amphibian species have experienced significant population declines and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of the founder effect artificial selection genetic drift natural selection sexual selection
Answers: 3
The atmosphere has become less polluted over time.
Please select the best answer from the choices p...
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