Answer
0° C or 273.15 K or 32°F
Explanation
The ordinary freezing point of water is 0 degrees Celsius. This is also the melting point of water.However,when there is presence of impurities in the water, the freezing point depression occurs.In some conditions,water can remain in liquid state at -40 to -42 ° F.
Carbohydrate polymers formed as water is removed
Most respiration occurs in mitochondria.