Which layer of Earth has the highest density and temperature?
asthenosphere
mesosphere
core
lithosphere
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OpenStudy (kaylaprincess):
\[Asthenosphere\] the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
Origin
early 20th century: from Greek asthenēs ‘weak’ + sphere.
OpenStudy (kaylaprincess):
\[Mesosphere\]
the region of the earth's atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles (50 and 80 km) in altitude.