Environmental Science
The heat energy released when water vapour changes to a liquid is called:

Latent heat of fission
Latent heat of condensation
Latent heat of evaporation
Latent heat of fusion

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Environmental Science
During the winter solstice in the Northern Hemisphere:

At middle latitudes in the Northern Hemisphere, this marks the longest night of the year
All of these
Astronomical winter begins in the Northern Hemisphere
The noon sun is overhead at 23.5o S latitude

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