Here around these parts, folks call it their elbow.
Produce energy usable by the cells of their respective organisms.
An aqueous environment is made up of water molecules. The word aqueous means or pertains to water or dissolved in water. In an aqueous solution, water serves as solvent. Types of aqueous solutions are acids and bases.
If I fertilize plant A with fish meal and plant B with artificial fertilizers, I will be able to prove that fish meal is better than artificial fertilizers.
The definition of a hypothesis is as follows:A hypothesis is an educated guess that attempts to explain a natural phenomenon or a set of facts. The scientist then has to set up a number of experiments to prove or disprove his hypothesis. In our example above, the scientist needs to keep all the variables consistent for both plants, except that one plant is fed fish meal and the other plant is fed with artificial fertilizers.