Type of chocolate bar, size of it, surface it is placed on, etc
Controlled variables are anything that stay the same for both trials
AB- is the blood type that is least common and 0+ is the most common
Because the cells can only use energy in form of ATP.
Its like you can't run a diesel truck on petrol.
Because water is polar and oil is nonpolar, their molecules are not attracted to each other. The molecules of a polar solvent like water are attracted to other polar molecules, such as those of sugar. ... Ionic compounds, such as sodium chloride, are also highly soluble in water.
Answer:
Explanation:A mechanical wave requires an initial energy input. Once this initial energy is added, the wave travels through the medium until all its energy is transferred. In contrast, electromagnetic waves require no medium, but can still travel through one.