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How can you determine the shape of water?

Water consists of two hydrogen atoms covalently bonded to an oxygen atom, the atoms oxygen has 6 outer shell electrons, and wach hydrogen donates one, this results in the structure having 8 electrons, meanin...
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Answered by JOSHUA M. • Chemistry tutor
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Describe the process of photosynthesis and name three factors that may limit the rate of photosynthesis.

The overall equation for photosynthesis: Light energy Carbon dioxide + water -----> oxygen + glucose During the process of photosynthesis, carbon dioxide from the air and water from the soil is converted ...
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Answered by Amy G. • Biology tutor
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Explain what is meant by the term phenotype?

Expression of a genotype due to interaction with the environment
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Answered by Laura P. • Biology tutor
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How does Hughes show the force of weather in Crow Hill?

Hughes conveys a lethargy in the surrounding, seemingly inanimate nature of the first stanza- "sodden moors"- incapable of movement because of the sheer force of the weather: "neither of which...
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Answered by Alice L. • English tutor
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Integrate dy/dx = 2x/(x^2-4)

Integrate dy/dx = 2x/(x 2 -4). We can answer this question using integration by substitution, where we set u = something in terms of x. In this case we are going to set u = x 2 -4 (the denominator). When we ...
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Answered by William R. • Maths tutor
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