Answer:
the manufacture of extremely small versions of electronic devices.
Answer: the sample is not representative of the community.
Explanation:
Online surveys or surveys in general are made to obtain relevant information about a particular issue. If samples are not representative of that issue, they end up having little use.
Answer:
The correct answer to the following question will be "The wavelengths of the electron beams are also much shorter or less than illumination and visible light".
Explanation:
TEM seems to be a methodology of microscopy during which a pulse of electrons is transferred to create the effect through some kind of microscope, could approach biological objects at the sub-nanometer standard, as related to hundreds of nano-meters for either the absolute best microscope with super-resolution.
Also because of the electron beam's distances, they are still much shorter or smaller than daylight and infrared light, meaning that biological objects and artifacts can be resolved.
Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."
