Well, the range is more limited. Let's say if you tried listening to Denver radio all the way in Texas, you wouldn't be able to listen to it.
Another one is that other electromagnetic waves with similar frequencies can interfere with each other
This earthquake oringed 231 miles.
<span>Group IQ tests administered to students create a self-fulfilling prophecy through the possibility of leading students grouped by ability to decide they are either dull or bright. Low scorers on IQ tests tend to believe that they might be dull and those who have high scores tend to believe that they are smarter compared to the others, thus, working harder to maintain it.</span>
Answer:
They help digest food, make vitamins, and play other important roles. Humans also use bacteria in many other ways, including: Creating products, such as ethanol and enzymes. Making drugs, such as antibiotics and vaccines.
A major role of the cell wall is to form a framework for the cell to prevent over expansion. Cellulose fibers, structural proteins, and other polysaccharides help to maintain the shape and form of the cell