Turner pressure is simply the force within the plant cell that pushes the cell membrane or plasma membrane against the cell wall.
It is caused by the Osmotic flow of water through the semi permeable membrane.
It helps the plant cells to remain turgid and stand tall so as to prevent it from wilting
I believe it would be an observation
Observation in scientific process refers to gathering facts and information. In this particular context, we could see that the microbiologist is simply stating what he/she saw on the mold on the agar plate. The microbiologist simply writing down all the facts without making any explanation or assumption.
it divides organelles so don't they run into each other
You need carbon dioxide and oxygen because you need oxygen to breath and plants depend on carbon dioxide without it we would have plants and without plants we wouldn’t have food.