3. The Cold -

Cold causes blood vessels to constrict (vasoconstriction) to preserve core heat. Prolonged exposure can lead to hypothermia or frostbite.

The theoretical limit of cold is 0 Kelvin (-273.15°C), where all molecular motion stops. 3. The Cold

It spreads through airborne droplets or by touching contaminated surfaces. Cold causes blood vessels to constrict (vasoconstriction) to

Since it is viral, antibiotics don't work. Management focuses on rest, hydration, and over-the-counter symptom relief. 2. Physical Cold (Science) In physics, "cold" is the absence of thermal energy (heat). It spreads through airborne droplets or by touching

The nuclear arms race, the Space Race, and the ideological struggle between Capitalism and Communism.

The common cold is a viral infection of the upper respiratory tract. It is most often caused by . Symptoms: Sore throat, runny nose, coughing, and sneezing.

It was called "cold" because there was no large-scale fighting directly between the two superpowers, though they supported major regional "proxy wars."