Answer:
Comprehensive trials have not been completed to support the company's claim.
Explanation:
But, even if there have been no medical trials there are some shreds of evidence from personal accounts.
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Answer:
C. Its smell
Explanation:
Evaluation of water quality is an overall assessment method of the chemical and physical characteristics of water, while monitoring of water quality is the gathering of the necessary information. The whole process focuses on the entire process of evaluation, in diverse areas of water channels. Most of the parameters about the quality of water can are tested by using portable test kits at the site or laboratory. However, an informal assessment can be done by the smell of the water, as is the case in the question.
Answer: convection. Please give me a brainliest if this helped!