M; Hmmm…..I can’t understand which is right in the future?
F; What’s wrong?
M; I’m reading two different studies between “hot house” and “glacial period” in our future on the earth.
F; Are they totally different?
M; One is alarming for global warming caused by CO2 emission. The other is about routine of glacial ages.
F; We can’t tell it until it being done.