The process by which hot and cold air are transferred in the atmosphere is

Answer

convection

Explanation

Heat is a form of energy. It can be transferred from one region to the other.

In solids heat is transferred by a process called conduction.

In vacuum heat transfer is by a process called radiation.

In fluids (gases and liquids) heat is transferred by a process known as convection.

the first, second, and fifth options

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19