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[[circled]] 2 [[/circled]]

[[boxed]] O2, N2 [[boxed]]
[[boxed]]CO2, H2O [[boxed]]
|[[boxed]]GH [[boxed]]|->|SUN RADIATES MOST AS VISIBLE LITE [[light]]|
|---|---|---|
|   |   |WHAT HAPPENS TO IT?|
|---|---|---|
|   |   |•SOME REFLECTED|- ICE + SNOW|
|---|---|---|---|
|   |   |   |- CLOUDS|
|---|---|---|---|
|   |   |•MOST of REST=> ABSORBED By SURFACE (WARMS ROCKS, DIRT, PLANTS, OCEANS)|
|---|---|---|
|   |   |[DRIVEWAY]|
|---|---|---|
|   |   |•SURFACE COOLS => RE-RADIATE BACK TO SPACE| 
|---|---|---|
|IR NOT ABSORBED By O2, N2 |<= |[SENDS IR TOWARD SPACE]|
|---|---|---|  
BUT IS BY THOSE RELATIVELY [[underlined]]FEW [[underlined]]
Molecules [CO2, H2O, CH4] <= molec [[molecules]] w/ 3 or more atoms
THEY ABSORB IR + RE-EMIT IN ALL DIR. 
=> EFFECT IS, SOME of HEAT IS TRAPPED 
[GH EFFECT -> LIKE GH ...]
•NOTE: [[underlined]]ALL[[underlined]] O2, N2 => no GH EFFECT(59 degrees F colder)
•CO2, H2O, CH4 OCCUR NATURALLY IN ATMOS, GOOD THING
(W/OUT EARTH'S [[underlined]] NATURAL [[underlined]] GH EFFECT, PLANET FROZEN)

[BY THE WAY: MARS, VENUS] - EXTRA 800[?] degrees F(>MERCURY)

Transcription Notes:
700 or 800F in the end? fixed misspelling