What property of water allows fish in a lake to survive winters freezing temperatures?
Water expands as it freezes so becomes less dense than liquid water. Ice floats to the surface leaving liquid water (for fish to swim in) below the surface ice.
Many fish not only survive, but thrive, in freezing temperatures. Fish have a body temperature almost identical to that of the water, so no energy is wasted in heat loss. Fish… Continue reading
Lake Erie is a fisherman?s paradise and has many different types of fresh water fish that grow very large because of the size of the lake. Lake Erie?s waters run deep and cold… Continue reading
Lake Atitlan is located in the western highlands of the Central American country of Guatemala. The deepest lake in Central America, Lake Atitlan is surrounded by steep cliffs … Continue reading
Most probably. Flu viruses can "live" indefinitely when frozen, and it is likely most cold viruses can as well, although there are over 200 kinds of viruses that cause what we… Continue reading