Some examples would be slate, phyllite, and gneiss.
Answer: Composition maybe?
Explanation:
I believe it is the pacific ocean as that is the ocean where the Mariana Trench is located, and the Mariana Trench is the deepest place in the Oceans
I am going to assume you meant "chloroplasts" instead of "Hloroplasts"
Your answer will be plant cells
Chloroplasts makes the energy for the plant by conducting photosynthesis, therefore, they are only found in plant cells.