Descriptions and definitions of rock their three types, which are Igneous, Sedimentary and Metamorphic.
An essay about volcanoes.
An article on volcanoes.
To compare the appearance and properties of two compounds with those of their component elements.
A moving lava flow looks spectacular. It oozes power while melting its way through anything that dare stand before it.
Why tectonic plates move.
This is the post which tells you what our Earth is actually made up of.
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