Leaching of Minerals from Soils,especially Calcium,magnesium and Potassium Can Be

Multiple Choice

Leaching of minerals from soils,especially calcium,magnesium and potassium can be increased when

A) the pH is lowered,especially from acid rain.
B) salty irrigation water is used to flush out polluted soils.
C) anti-microbial agents and nanoparticles contaminate soils.
D) excess chemical fertilizer is used over many years.