Do stones for her drains and little stoppers to keep leaves and dirt from entering the water that goes to diff plants and sewers
Answer:
Water sample showing pink/purple color is an error.
Explanation:
Biuret is a blue color reagent that changes its color to pink/purple whenever it detects protein in a sample. Water don't contain proteins so it should not show pink/purple color instead it should maintain the blue color. Food items generally contain proteins so it show pink/purple color but it showed blue color.
Error might have caused by wrong marking of the samples, test tube marked with Water might contain a mystery food while Mystery food tube might contain water.
The most common cause of anemia is iron deficiency.
Answer:minerals and rocks
Explanation:
Answer:
please as in we should not
