M3E1S1O1S1P3H4E1R1E1S1
18 points
MESOSPHERES is validvalid
MESOSPHERE, [n]
MESOSPHERE, a zone in the Earth between 400 and 670 kilometers below the surface separating the upper mantle from the lower mantle [n]
MESOSPHERE, [n]
MESOSPHERE, a zone in the Earth between 400 and 670 kilometers below the surface separating the upper mantle from the lower mantle [n]