An acorn with a mass of .0300 kilograms is hanging from a branch in a tree it is 2.50 meters from the ground what is the potential energy of the acorn

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 statement describes james chadwick’s discovery.

What element has similar physical and chemical properties as boron.