Having too much or too or too little measurements of chemical and substances in the environmental may be fatal. The ecosystems may be destroyed since chemicals that are exposed to them are too toxic and often the soils are contaminated not allowing plants to grow properly.
Chemicals, such as chlorine that are used are exposed to the atmosphere and is the main cause of pollution and affects human health, and also aquatic life. That's not all when living things consume these chemicals in food or drink it, it can lead to many deaths.
If there's too much excess of something it is harmful so we must keep in mind not to measure carelessly the quantity of chemicals or substances that are exposed in the environment. The cause of endangered species is by humans and we can avoid many deaths by taking certain precautions.
Scenario 2 explained the dialogue between the Science Teacher and his students on a walk near their local park and river to explore the river about why it is important to correctly measure chemicals used in water treatments plants? and How might incorrect measurements affect the environment?