Answer:
Imagination is abstract
Invention is abstract
Key is concrete
Explanation:
Naming words for concrete bodies are concrete nouns
While abstract terms are represenred by abstract nouns
The way that catharsis is related to Romeo and Juliet is that the moment of catharsis in the play occurs when Romeo and Juliet kill themselves.
Catharsis is emotional discharge after something tragic has happened. The audience usually cries and feels pity after something sad has happened, and that moment is called catharsis. So naturally, when these two young people kill themselves, it is quite sad and the audience feels strong emotions after their death.
The edges of the continents are in a constant state of change caused by the ocean currents. Those currents can bring material with them, making the line more "smooth" and adding land to it, forming the so -called barrier beaches, or the sea can cause the land to fall into the water.
this change of edges over time and tectonic movement mean that the shape of the continents changes all the time: so the continents changed since the time of the split.