What part of the atom is involved in chemical reactionis?
O protons
o neutrons
O nucleus
o electrons

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.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

How have the greenhouse gasses increased from the year 2000 to 2018