Here's why:
* Trends are patterns or tendencies. They can be observed and analyzed.
* Studying trends involves gathering data, analyzing it, and identifying patterns. This is done in many fields, such as:
* Business: To understand customer behavior and market demands.
* Social science: To understand societal changes and cultural shifts.
* Technology: To predict future technological advancements.
So, it's perfectly valid to say "Trends are studied" because it reflects the process of gathering and analyzing information to understand and predict future developments.