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☆☆☆☆☆The weight of the rocks in the crust and upper mantle results in the pressure that allows diamonds to form.
refraction
Comparing the composition of the crust to other bodies in the solar system.
The weight of the rocks above the mantle results in high pressure.
Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.
There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.
all magnets and moving charged particles.
other planets
high presure and heat
denser
compass magnets can be deflected by earths magnetic field or other permanent magnets
Hot Plumes
Reverse
Its Thrust!
You should ask yourself, "Who are my readers?"
You can receive instant feedback from your audience
The continental crust is up to 70 km thick.
Writing is a good form of communication because the recipient of the writing can look at the text again and again.
The words and ideas are short-lived and disappear quickly.
writing to a former teacher to ask for a letter of recommendation
At ocean ridges
magnetic stuff...
