Answer: hope this helps
Explanation:
Aerobic bacteria use oxygen, which is added mechanically, to break down wastewater contaminants, converting it into energy. Bacteria use this energy to grow and reproduce. Anaerobic bacteria obtain oxygen from their food source. As anaerobic bacteria break down sludge, they produce methane gas. This methane gas can be used as an alternative energy source, called biogas, to fuel the wastewater treatment process.
That would be Hermodialysis {HD}
Sorry i dont understand spanish and please translate in english please
Answer:
A Wave the fumes from the test tube toward the nose with a hand and inhale
Explanation:
