It takes alot of time to get fluid out of the lungs so its hard to determine when the fluid is completely out of the lungs. View Full Answer Report This Report Question
Photosynthesis requires the direct energy of light to make energy to make energy carrier molecules. Photosynthesis is a two stage process. The first process is the Light Dependent Process (Light Reactions), requires the direct energy of light to make energy carrier molecules that are used in the second process.
Experiments to show the factors required in photosynthesis (2) - light and carbon dioxide. The plant is placed in a dark place, e.g. a cupboard for 24 or 48 hours. It is essential that the plant is watered beforehand, and not forgotten about!