Scientist, a fact is something that can be tested by anyone with the proper skill and equipment, and that repeatedly and reliably gives the same result every time. A scientific theory is a body of knowledge based on facts that describes their interaction in the simplest possible way
At the conclusion of investigation number 1, the relationship between the light intensity and disks floating is; as the light intensity increases, the percentage of floating discs increases. More light will equal to more discs floating.
Builds protein is the correct answer
There are called Amino Acids.
Alphonse Bertillon was a French criminologist who first developed this anthropometric system of physical measurements of body parts.