1 Outdoor air pollution can cause ongoing throat irritation. Indoor pollution â tobacco smoke or chemicals â also can cause a chronic sore throat. Chewing tobacco, drinking alcohol and eating spicy foods also can irritate your throat.  Muscle strain.
Biosecurity is key to productive aquaculture systems. Biosecurity encompasses all measures designed to prevent diseases from occurring and from spreading by isolating, as much as possible, animal farm populations from external contamination. Recurring or prolonged contact with external environments (water, sediment, wildlife) favors the development of new diseases.
Analyze effects of human action on an ecosystem BACKGROUND: Turbidity measures the cloudiness of water: the higher the turbidity, the cloudier the water. The numerical measurement is usually given in Jackson Turbidity Units (JTUs) or Nephelometric Turbidity Units (NTU); both are equal. Turbidity is caused by suspended inorganic matter