Cholera-causing bacteria have a single flagellum that allows these bacteria to ?

Cholera-causing bacteria have a single flagellum that allows these bacteria to - locomotion.

A flagellum is a whip-like or thin thread like structure that helps in the movement of a cell. They are found in all the three domains- the protists, plants, animals, and fungi. While all types of flagella are used for movement, they are all structurally very different.

compost can be added to topsoil as a:

pesticide

your spelling is a little off : ]