What are you asking, this is not a question
The answer i believe is interpersonal communication.
The right answer is isometric
The word isometric is an adjective of Greek origin (the prefix iso- means equal and metric means metron means measure)
Isometric force is a muscular contraction without shortening where the two points of attachment of the muscle are fixed, contrary to the concentric and eccentric work. A muscle subject to isometric contraction is a muscle that works in tension but without movement.
Alphabet, and then words, and then sentences, and then picture books, and then chapter books.
According to google radiation negerlein and nutrients