N2(g) + 3H2(g) → 2NH3(
What is the rate?

What is i fracture in the crust called when land move up, down or sideways

Which metal exist in liquid state and can be cut with knife ?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this