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☆☆☆☆☆The Earth's core.
the mantle and core are composed of different material
P waves refract as they travel through Earth. The shadow zone exists because of seismic waves. The shadows show when the earth spins around.
Wandering with no pattern
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.
magnetic north
north pole =magnetic south
compass magnets can be deflected by earths magnetic field or other permanent magnets
If the birthrate is 10 per 1000 and the death rate is 10 per 1000 then the growth rate is zero.
Samples of Earth's crust contain less iron than found in meteorites, and iron is a comparatively heavy element that would have sunk into the planet when it was being formed.
Reverse
Its Thrust!
The continental crust is up to 70 km thick.
Africa -apex
At ocean ridges
crops that grow more reliably
Select ALL the correct responses. The concept of “contained in” includes which of the following?
- No additional interpretation or analysis is needed to determine the classification of the information.
- Classified information is not clearly or explicitly stated in the source document.
- Classified information comes from an authorized source into a new document.
- A reader can deduce the classified information by performing additional interpretation or analysis.
magnetic stuff...
