How cold? You can get hypothermia in 50-80 degree water. Are you asking about 32 degree water? Shock in five minutes or so. Your expected life expectancy is about 15 minutes. If its really cold you'll be dead in 3-5 minutes.
mosses...
a primary source is first or highest in rank or importance; chief; principal: his primary goals in life. and also first in order
The first one was called First Lightning/"Joe-1".
IgM is the antibody first secreted during primary response
new hampshire A+
Burst, cursed, first, immersed, nursed, pursed, dispersed, worst.
they wanted everything
they wanted everything
Moss, Algae, and Blue-green Bacteria
Lichens are the dominant organism at first.
"the creation of granaries to relieve the threat of famine"
People's responsibility to others who are in imminent danger was what carried forward mankind this far. Otherwise mankind would have ended with the first mammoth hunt during the dawn of civilization.