Answer:
a. iris
Explanation:
iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye
An irregularly occurring and complex series of climatic changes affecting the equatorial pacific region and beyond every few years, characterized by the appearance of unusually warm, nutrient-poor water off northern Peru and Ecuador, typically in late December
Answer:
this is a type habitat or ecosystem
Explanation:
Answer: 2,000 miles.
Explanation:
The Aleutian Trench, which has formed along the convergent boundary and has been produced by the subduction of the oceanic plate, extends for 2,000 miles.
