what’s the answer
pollution
they eat unwanted insects
Fission products
By eating unwanted weeds and fertilising with their manure.
No If you count pollution as unwanted chemicals or material in an environment.
Pollution come from unwanted waste that gets into the environment.
Left-overs, scraps, extra, uneaten, remnants, excess, unwanted
Unwanted Substances and Waste Products
No, the pump spray is better. It does not put unwanted gases into the atmosphere.
an unwanted change in the environment caused by substances or forms of energy
sequelae
Radioactive waste.