Answer:
Cold fronts form when a cooler air mass moves into an area of warmer air in the wake of a developing extratropical cyclone. The warmer air interacts with the cooler air mass along the boundary, and usually produces precipitation
Earth's atmosphere helps maintain a constant temperature.
The bear population would also increase
Thymine, Guamine, cytosine, and atanine make up the steps in dna (the nitrogenous bases) but the sided are a patter of phosphate then sugar.
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