P-waves pass through both mantle and core, but are slowed and refracted at the mantle / core boundary at a depth of 2900 km. S-waves passing from the mantle to the core are absorbed because shear waves cannot be transmitted through liquids. ... The core has a radius of 3470 km.
Should be C). metamorphic rocks change when heat and pressure are applied like coal into a diamond.
Answer:
B. Our technology has not advanced enough to make faster-than-light travel possible
Explanation:
So far, we don't know of anything that can go faster then the speed of light.
The answer is <span>nitrogen triodide
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