Top answers

Which direction of erosion dominates in each part of the river?

Upper course = vertical erosion Lower course = lateral (horizontal) erosion
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Answered by George S. • Geography tutor
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Explain how a buffer solution controls pH

Equilibrium: BH <--> H+ + B- alkali reacts with H+, so equilibrium shifts to right to buffer change acid reacts with B- to form BH, so equilibrium shifts to left to buffer change
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Answered by George S. • Chemistry tutor
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Name the three components of a nucleic acid

pentose sugar and phosphate group backbone nitrogenous base
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Answered by George S. • Biology tutor
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How do you find the area between two lines?

First, find the x coordinates of where the lines intersect by setting the equations of the lines equal to each other. Then solve the quadratic (or polynomial) equation. Next, integrate both lines individuall...
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Answered by Rory P. • Maths tutor
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How do I make my Personal Statement stand out?

This is very important. By talking to me about what you've written so far I can help out with the wording, get rid of any cliches and turn your statement into a unique and successful entry to medical school.
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