Ecologists make models to gain insight into complex phenomena such as the effects of global warming on ecosystems.
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Answer:
sry if im wrong) Coal and natural gas were the most used energy fuels for generating electricity. The world's electricity consumption was 18,608 TWh in 2012. ... In 2016 the total world energy came from 80% fossil fuels, 10% biofuels, 5% nuclear, and 5% renewable (hydro, wind, solar, geothermal).
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I'm pretty sure the first one is c. The second one is b.
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<span>Prolonged stress due to sustained child abuse is associated with reductions in the size of the: hippocampus </span>