Which of these is a technological influence on consumer demand?
a. inflation
b. publicity
c. mass production
d. consumerism

Technological influence on consumer demand-  As the industries has always an eye on knowing the demand of there products in the market and to what level the customer has an appeal for the different products.

Explanation:

Option- (D): Consumerism creates a cycle of public demand and appeal for a certain set of products and helps the company to identify there customers and region where the  area of consumption is more. Which in turn leads to having more productivity and more hiring of the employees.

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.