D.) Cultural diffusion
Define<em> diffusion</em><em>:</em>
<em>The process of spread of a feature or trend from one place to another over time.</em>
Coal mining is known for in Australia. Hope this helps! Happy Studying!
1.) Polders - b.) A narrow passage of water connecting two large bodies of water.
2.) Strait - a.) A stretch of land reclaimed from the sea or a lake.
Earth has a liquid outer core because that's the ocean and the earth is mostly made up by water.The earth has a solid inner by the mantle which is hard rock and made out of gas and rocks and it is very hot out there