Which of these statements about Earths crust is true A:it includes the continents and ocean floor B: it includes the continents and the ocean floor. C:it is a changing moving surface with the same thickness everywhere. D: it is a layer of solid rock that remains the same throughout the time

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.

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

The grooves or folds of the brain are called