Which of the following would be considered the main idea of the following passage?

Question

*
1 point
Captionless Image
Birds are attracted to the steady red lights on communication towers.
To save birds, communication towers have begun using blinking lights.
Birds and communication towers are important for pilots.
There is no need for communication towers.

Answer 1

The main idea of the passage is likely: To save birds, communication towers have begun using blinking lights.

This statement summarizes the primary concern (bird safety) and the action being taken to address it (the use of blinking lights).