The process of perfume molecules moving through the air is called diffusion. Molecules in high concentration areas move to areas of lower concentration, spreading the scent of the perfume.
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Heat travels from the sun to the Earth through a process called radiation. Radiation is the transfer of heat energy through electromagnetic waves such as light.
The tube through which sperm travels is called the vas deferens.
The type of heat transfer that travels through space in electromagnetic waves is called radiation.
The pathway through which electricity travels is called a circuit. A circuit consists of a closed loop for the flow of electric current.
Electromagnetic radiation.