What describes an impermeable rock where oil and natural gas deposits are found ?

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

If you want to create an electrical current, which situation would produce a solution capable of this

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.