STRATOSPHERE

Before
2: SU
polar, lower, upper, winter, middle
3: SUU
tropical
3: USU
antarctic
4: UUSU
equatorial
5: UUSUU
equatorial
After
1: S
where, through, are
2: SU
tower, during
2: US
above
Surrounder Phrases
antarctic ozone, polar, winterupper troposphere, mesosphere, middleozone absorbstropical tropospherelower troposphere, middle, upperrises above, near, due, during, through, becausearctic ozone, polar, winterballoon rises, near, above, beganmiddle tropospherepolar ozone, wintertower rises, above, hotel, near, contains, wherelow troposphere, ozone, arctichotel near, where, tower, lieslies between, near, aboveduring winter, balloonexchange between, hoteltroposphere where, arewinter polarextends through, aboveequatorial lownear where, polarare due