The Rhizobium or Bradyrhizobium bacteria colonize the host plant's root system and cause the roots to form nodules to house the bacteria. The bacteria then begin to fix the nitrogen required by the plant.
You should always keep calm and try to think positive never put your self down never ever
Anyone with Schizophrenia in his or her family history would develop Schizophrenia
oxygen can only hold two bonds with other elements.
