The spatial trajectory through which cultural traits or other phenomena spread. * 5 points
A. Distance Decay
B. hearth
C. Dialect
D. Diffusion Routes
E. Assimilation

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays