Fluorine
Check out the periodic table. Exact mass number of Fluorine should appear as 18.99...
Because it creates ATP, or active transport against the concentration gradient.
Answer:
Modern method of irrigation is Sprinkling, Subirrigation,intrasoil and salt leaching are the principal purposes of surface irrigation
The answer is that they do not live on or in the body of a host.
I know why farmers use fertilizers..... to provide nutrition for the plant
