Properly used, each other refers to two; one another refers to three or more.
The two phrases mean exactly the same thing.
Adjacent to merely means "next to one another". Complementary means that each benefits the other, or goes well with the other. Orange and pink can be adjacent to each other, But orange and blue are complementary to each other.
they look different from each other
can not be used with each other
distance is how far somthing is from another thing. similarity is when two or more things have somthing that onnects them to each other
the difference between the two of them are they both subject which compliment each other.
Each of them is the negative of the other one.
No difference as both are alternate names of each other
In one, the participants do not interact with each other, and in the other, they do interact with each other. (Apex)
because they are close to each other
the contour interval is the difference in elevation between contour lines that are next to each other
cross hair cross each other but stadia hair do not cross each other
It means "not the same"Example: Humans and Dogs are different speciesdifferent means not the same as another or each other; unlike in nature, form, or quality