1The plethora of options available in the market made it difficult for consumers to make a decision.
2Critics argue that the plethora of reality TV shows has led to a decline in the quality of programming.
3The artist's use of a plethora of colors and textures added depth and complexity to the painting.
4The plethora of data available on the internet has made it easier for researchers to conduct studies and gather information.
5The company's plethora of products and services has made it a leader in the industry, but also raises concerns about its environmental impact.