There are different kinds of investigations. The investigation that would it be best be use in observational data obtained outside of a laboratory rather than empirical data from controlled experiments is;
- an investigation to determine the structure of a protein.
<h3>How do one determine the structure of a protein?
</h3>
-
The common way used to study protein structures is the use of X-ray crystallography.
In this method, solid crystals of purified protein are put into an X-ray beam, and the pattern of deflected X rays is employed to know the positions of the atoms that is inside the protein crystal.
Learn more about Investigation from
brainly.com/question/20193221
Answer:
The external metal doors are generally painted with oil paint because when metal are left in humid areas a brown substance deposits on it called rust. As we know rusting is a chemical change and it cannot be reversed, to prevent rusting metals doors are painted with oil paint..
Explanation:
I hope this helps you :)
B. British Commonwealth of Nations
