C. -20oC
The colder the air is, the slower is the travel of air.
Thermodynamics, a science that deals with the study of heat and
temperature and their relationship to energy and work, finer details of
the process is unpredictable. Heat flows from a hotter to a colder body
when there is a physical pathway. This pathway is suitable and can be
direct such as radiation and conduction. It can also be indirect as in
convective circulation.Heat in Physics is an energy that is in a process of transfer between a system and its surroundings other than the transfer of matter. In
