Oxygen enters water systems as water comes into contact and mixes with the air. Identify whether a fast-flowing stream or a still pond would receive more oxygen. "Science"

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Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

Why is carbon ideal for making different compounds?