Answer is 3 it uses chemical and physical changes when using stomach acid and physical when turning food in your stomach.
Answer:
In order photosynthesis to occur, plants need: water, nutrients, air, water, light, temperature, space, and time.
Explanation:
Few factors....
greater concentration differences between regions. I. e. steeper concentration gradient.
lighter molecular mass of substances.
Answer;
They have revealed new information about cell structure and processes.
Explanation;
-The Cell Theory states that, All living things are made up of cells, Cells are the basic units of structure and function in living things, and that new cells are produced from existing cells.
-Most microscopes use lenses to magnify the image of an object by focusing light or electrons.
-The Invention of the Microscope helped the development of the cell theory because it allowed the scientists to actually discover that everything was made up of cells, and what cells do to come up with that theory. If the scientists did not see that cells existed, they could not have observed the cells easily and they would not be able to construct the cell theory.
