Answer:
There are four stages in coal formation: peat, lignite, bituminous and anthracite. The stage depends upon the conditions to which the plant remains are subjected after they were buried – the greater the pressure and heat, the higher the rank of coal.
Explanation:
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Answer:
Superposition
Explanation:
Superposition. The law of superposition states that a sedimentary rock layer in a tectonically undisturbed sequence is younger than the one beneath it and older than the one above it.
Answer:
the nations of the world song
Explanation:
there is a part for sub saharan africa
Hmm probably but then again someone shouldn’t really get mad since you’re on an “educational” app/website or whatever