The submarine will most likely find data that shows the highest pressure data and the lowest temperature data (unless of course it's near a hydrothermal vent). This is because due to the depth there's a lot more water above it putting a lot of pressure on the sub, and very little sunlight to heat up the water.
Answer:
4.Cell wall protects the cell whiles organelles are found in the cell itself which is having the cell wall
B. law of conservation of mass
This is why the total amount of and element before and after a chemical reaction is constant.