Environmental Science
During the winter solstice in the Northern Hemisphere:

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

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Frost forms when:

Objects on the ground cool below the dew point temperature.
All of these
Water vapor changes into ice without first becoming a liquid.
The dew point is 32oF or below.

ANSWER DOWNLOAD EXAMIANS APP