Why do flies rub ther legs together?

They are cleaning themselves. they rely on their eyes antene and the bristles on their body kinda like cats and dogs use their whiskers. they have to keep themselves clean to be able to find food and sense predators.

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral

He used pea plants to study the patterns of heredity.