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Answer 1

Troposphere and Mesosphere-

The boundary between the stratosphere and the troposphere is called the tropopause. The jet stream sits at this level and it marks the highest point that weather can occur. ... The mesosphere is the layer above the stratosphere. The temperature decreases with height here just like it does in the troposphere.

Crust and mantle-

Earth's Crust. “Crust” describes the outermost shell of a terrestrial planet. Earth's crust is generally divided into older, thicker continental crust and younger, denser oceanic crust. ... Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma

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