Questions int he photo, any absurd answers will be reported and person will get branliest if its correct.

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.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm