Answer:
How our body responds to light and how our body responds to danger.
Explanation:
External stimuli are changes that happen outside the body that our body's scenes can detect.
A convergent boundary is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other causing a process known as subduction. The subduction zone can be defined by a plane where many earthquakes occur, called the Benioff Zone.
