Depending on the intensity and duration of activity, amino acids may contribute no more than what percentage of the energy needed

Different isotopes indicate that an element will have different numbers of

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.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li