In a village, farmers use chemical fertilizers in their fields. A considerable increase in soil pollution was noticed as the farming activity intensified. What could be the most likely reason for this ?

• A. Chemicals used to destroy weed and pest are polluting the field.
• B. Living organisms used in fertilizers are polluting the land.
• C. Smoke particles from the industry got settled in moist surroundings of the field.
• D. Both (a) and (c)