Question

give reason for the following observation-(b) we can get the smell of perfume sitting several meters away​

Answer 1

Answer:

Reason :

Because of diffusion process we can get smell several meters away,

Particles of perfume spread in air

Answer 2

Answer:

Urination of adults, as well as infants, is controlled by the neural circuit which is very complex and highly distributed as it involves pathways at many levels of the brain, spinal cord and the peripheral nervous system and is mediated by multiple neurotransmitters.