Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
False negative is a condition when you got a negative result for a specimen which was positive. To prevent false negative occur, first you need to use golden standard test or a test with high specificity. You can do multiple tests to ensure the specimen is negative and using a positive control to make sure the reagent is still working fine.
I think its D because it requires more force to push something over a greater distance...but i could be wrong...
Hope this helps! Please correct me if I'm wrong :)
Answer:
Vitamins, minerals, protein, fats, and more.
Explanation:
Why won’t it let me answer
