The hot air ascends until it reaches an altitude where the temperature is cool enough to condense the water vapor contained in the air bubble into visible droplets.
(The hot air; ascends; T:until it reaches an altitude) (it; reaches; an altitude where the temperature is cool enough to condense the water vapor) (the temperature; is; cool enough to condense the water vapor; L:an altitude) (the temperature; to condense; the water vapor contained in the air bubble into visible droplets) (the water vapor; contained; in the air bubble into visible droplets)
The hot air it the temperature the temperature the water vapor
ascends reaches is to condense contained
T:until it reaches an altitude
an altitude where the temperature is cool enough to condense the water vapor
cool enough to condense the water vapor L:an altitude
the water vapor contained in the air bubble into visible droplets
in the air bubble into visible droplets