What happens to the demand for products whenever the price of
a
substitute item decreases?

Demand decreases

Explanation:

Substitute goods are products that can be used in place of each other. Goods are described as substitutes if a customer can use them interchangeably and get equal or almost the same satisfaction. Tea and coffee will be substitutes if a customer can consume either of them and be happy.

If the price of a substitute good declines, customers will prefer consuming it instead of the other product. The other product's demand will decrease due to a change in customer preferences as a result of a lower price.

answer; only identify and interpret trends in the marketplace;

among other factors, composers started writing dynamic markings in their scores because "new instruments allowed for more dynamic ranges and contrast."

dynamics allude to the loudness or softness of music. dynamics offer an approach to demonstrate articulation in sheet music. they to drive the enthusiastic substance of music through volume and force. maybe you could alter both the volume and the shading profundity on your screen at the same time. we can likewise think about the force side of elements as the quality of a note. a few notes are intended to be played delicately and gently, while others are intended to be played all the more firmly.  

some dynamics markings have a letter 'm,' which remains for mezzo, signifying 'medium.' so a mezzo piano unique stamping resembles this (mp) and intends to play medium calm, while a mezzo specialty dynamic resembles this (mf) and intends to play medium loud.