The approximately number of earths surface is covered by land is 29 percent
Coal is a type of organic rock
Answer: The blue colour of a biuret solution changes to violet.
Explanation: Biuret solution is a reagent that is used to test for the presence of protein in a substance.
A Biuret solution is composed of sodium hydroxide and copper II sulphate. Copper ions give the reagent its characteristic blue colour. Copper ions react with peptide bonds in the protein in an alkaline solution to form a Biuret compound with a violet colour. The copper ions which have two positive charges are reduced to a positive charge, thereby causing a colour change.
<span>Evolutionary perspective
The evolutionary perspective is based on the foundations of cognitive psychology as well as evolutionary biology. Evolutionary perspectives on human behavior are almost as old as the science of psychology itself.</span>
The offspring has 075 probability of having a yellow seed
