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Chemistry, 25.10.2021 23:40 sakugrey

Students want to determine the impact of soil erosion from the development of new housing. They plan to measure the density of a species of algae growing along the bottom of a river that flows through their town. The town is built in a heavily forested area, but a large area of trees along the river was recently clear-cut to allow for the construction of a new housing development, which has caused exposed soil to wash into the river. The river flows north to south through the town and is still forested both up- and downstream of the town. Which of the following would be the best control sample for the study? A. Water temperature, because a decrease in shading in the area would indicate an increase in soil erosion.
B. Nutrient levels, because a decrease in nitrogen and phosphorus would indicate an increase in soil erosion.
C. The pH level, because an increase in pH would indicate an increase in soil erosion.
D. Turbidity, because a decrease in water clarity would indicate an increase in soil erosion.

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Answer from: Quest

chemists can use the electron cloud model to assign electrons to different atomic orbitals. atomic orbitals also explain the patterns in the periodic table

explanation:

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what is the question?

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C. 1s22s22p63s23p43d104s24p5
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Answer from: Quest
The answer is b because c don't explain why the moths are on them and it isn't a because as we know only one species of moth does this

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Students want to determine the impact of soil erosion from the development of new housing. They plan...

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