Most responsible for the turn-around in water quality in Lake Washington is option c) regulations on sewage treatment.
<h3>What does sewage treatment mean?</h3>
To prevent water pollution from discharges of raw sewage, sewage treatment is a sort of wastewater treatment that tries to remove contaminants from sewage to generate an effluent that is appropriate for discharge to the surrounding environment or an intended reuse application. Sewage includes pre-treated industrial effluent as well as wastewater from homes, companies, and possibly other sources. There are many different sewage treatment methods available.
Decentralized systems (including on-site treatment systems) and huge centralized systems that transport sewage to a treatment facility via a network of pipes and pump stations are examples of these. Urban runoff (stormwater) from cities with combined sewers is also transported by the sewers to the sewage treatment facility. Sewage treatment often involves two main stages, called primary and secondary treatment.
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<span>irradiation is a process that uses gamma rays to eliminate harmful bacteria in meat and poultry .It is the process by which an object is exposed to ionising radiation from various sources.This treatment is used to preserve food, prevent the spread of bacteria and delay ripening.</span>
Explanation:
Bohr proposed his quantized shell model of the atom to explain how electrons can have stable orbits around the nucleus. The motion of the electrons in the Rutherford model was unstable because, according to classical mechanics and electromagnetic theory, any charged particle moving on a curved path emits electromagnetic radiation; thus, the electrons would lose energy and spiral into the nucleus.
Causes gas or even diarraha if it reaches the intestins
Answer: Circulatory and respiratory system
During a process of workout, the rate of breathing increases, because of increase in demand of oxygen by the body. Work out affects the function of the lungs which is a part of the respiratory system. The heart tries to pump out blood fastly, to transfer oxygenated blood all over the body. The heat energy is liberated in this process, which results in the release of sweat by the skin. The sweat gets evaporated by the external air, which keeps the body cool.
