Answer:
Gene mutation
Explanation:
The difference in the coloration of the whale is due to mutation. Mutation is an alteration of the gene of an organism which can result in a change in phenotypic qualities. Mutation can be caused by exposure to mutagens such as industrial chemicals.
By using pythogorus theorum
(ab)2=(bc)2 +(ac)2
(14)2=(6)2+(ac)2
196=36+(ac)2
196-36=(ac)2
160=(ac)2
under root of 160=ac
12.6 Approx.
[2=square]
The model shows that firms and household benefit from one another! hope this helps :)