What do the colors on the south african flag mean?

What term is given to the border between the central alps and the southern limestone alps?

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

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