What is meant by the statement" a niche is a species' way of life?

Which statement describes james chadwick’s discovery.

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

Which description best characterizes the motion of particles in a solid?