B. Is a single layer of flattened cells
Digital literacy is one component of being a digital citizen - a person who is responsible for how they utilize technology to interact with the world around them. Digital technology allows people to interact and communicate with family and friends on a regular basis due to the "busy constraints" of today's world.
Answer:
The respiratory system provides oxygen to the body's cells while removing carbon dioxide, a waste product that can be lethal if allowed to accumulate. There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration.
Explanation:
It is found in combustion fumes (by cars and trucks), portable generators, wood burning stoves, gas ranges and heating systems.
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