The morphological process used to create the word airtime is compounding. Compounding is a process of combining two or more words to create a new word.
The word <em>airtime </em>is created by combining the words <em>air </em>and <em>time</em>. The meaning of this word is <em>the time during which a broadcast is being aired</em>. We can see that the meaning of the new word is derived from the meanings of the words that make it up.
Junior describes himself as having an enormous skull and being so skinny that when he turned sideways he'd disappear. He is over exaggerating his features to get sympathy from the reader and to create humor. A hyperbole is an over exaggeration.
The last one is not true. Only the second statement mentions how fragile the environment is that coral reefs exist in.The first statement focuses on erosion and pollution as causing the reefs to die.