Antibodies are proteins produced in the blood to respond or counteract specific antigens or the invaders that comes from microorganisms like bacteria and viruses. Antibodies destroy antigens or foreign bodies to prevent them from causing harm to the body.
C.Dark-colored soil.It indicates a high percentage of organic matter in the soil.The darker the soil,the higher its percentage of organic matter.Dark soil are very fertile and and suitable for any crop cultivation.
