Final answer:
The subject is Business, and the grade level is High School. Td Bank's use of green color and RBC's use of blue color are part of their respective branding strategies.
Step-by-step explanation:
The subject of this question is Business and the grade level is High School.
Td Bank using green colouring in all of their advertisements and RBC using blue colouring is part of their respective branding strategies. Branding is a marketing practice where companies use consistent visual elements, such as colors, logos, and designs, to create a distinct identity for their products or services.
In the case of Td Bank, the use of green color is likely intended to create associations with money, growth, and financial stability. On the other hand, RBC's use of blue may be aimed at conveying trustworthiness, reliability, and professionalism.