What did the 1980 mount saint helens volcanic eruptions teach environmental scientists? a. salvage logging was essential to protecting the area from fire and insect threats b. many of the initial pioneering species actually survived the eruptions c. seeding the slopes was necessary to prevent erosion
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The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)
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What is the difference between a scientific hypotheses and a scientific theory?
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Biology, 22.06.2019 10:00
1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi
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What did the 1980 mount saint helens volcanic eruptions teach environmental scientists? a. salvage...
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