How do biological, physical, and chemical factors affect water quality and the health of aquatic ecosystems, and how is water quality measured?

Any physical, biological, or chemical change that degrades water quality is water .

What are the three biological concerns of water quality? (Mark all that apply.)Group of answer choicesProtozoaVirusesHigh dissolved oxygen (DO) levelsBacteriaHard water (calcium and magnesium)

Why is maintaining water quality important in caring for nature? 1.Because water is a key resource for living and supporting the hydrological cycle. 2.To ensure the sustainability of the fishing industry only. 3.Only important in the context of recreational activities and water sports. 4.Water quality does not affect aquatic and human life directly. (which one option is correct write the answer )

What is the form of water pollution which increases turbidity of water and is caused by human activity such as release of agricultural waste into aquatic ecosystems?

What could be the main reason for strengthening water quality standards?a. human health issuesb. natural animal issuesc. industrial issuesd. all of the above