SARAH AND THE NASTY VIRUS
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You need to carefully replace rock and top soil. Also replant native grasses, rock and topsoil.
I didn't know mining hurt the earth. That happens if you don't close the mine up properly.
WELCOME TO EARTHS CRUST!
It should be returned to its natural state. All liquid waste will need to be removed.
There are different types of Soil!
Topsoil: Contains decaying matter, plant and animal called humus. Has lots of minerals and nutrients.
Litter: surface covered in leaves, brokenbranches, and fallen trees.
Bedrock: Solid rock. It divides soil and rock. But and still be weathered
Subsoil: Has larger pieces of rock and clay. contains little humus.
Rocks surrounded the sun, then they collided making heat causing them meld.
It was made 4.5 billion years ago
My favourite part was learning how the earth was created
Materials like liquid iron sank and became the core!