Compare and contrast the results between the commercial and homemade pH test strips. Which test strips were more accurate? Explain your answer.

3

explanation:

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

b is the correct answer

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