Answer:
maybe if you payed attention in class, you would know the answer.
Explanation:
The answer is D. It <span>keeps outside substances away from the receptor cells</span>
Answer:
stomata are the openings in a leaf
Answer:
Explanation:
Why are layers of rocks related to each other?
Layering, or bedding, is the most obvious feature of sedimentary rocks. ... This Law of Superposition is fundamental to the interpretation of Earth history, because at any one location it indicates the relative ages of rock layers and the fossils in them. Layered rocks form when particles settle from water or air.