Yes, The data collected in a survey is a primary source, and conclusions based on that data would be a secondary source.
Primary Source
A letter is a primary source.
A primary source might be a letter, photograph, or speech that
it is a primary source because it wasnt real
When researching American independence or almost any founding-period subject, the Declaration of Independence is indeed a primary source. The difference between primary sources and secondary sources hinges on this simple distinction: a primary source is (or was) "there", while a secondary source is (or was) not "there" but instead talks "about" it.
It is a primary source.
Airway
A picture can indeed be a primary source.
it is a primary source
By primary survey in critical care unit, the doctors try to ascertain first hand the primary reasons for the patient's ailment and resume treatment accordingly.
It is a primary source because it was taken at the time.
Primary is a direct response and report (source, basically) coming from a real witness or writing that was made by a real witness of a situation. Secondary, is well...secondary. It is not totally accurate and coming from a witness. Secondary sources are made from primary sources. Secondary sources would be textbooks, while primary sources would be from real live witnesses, journals from witnesses, and archealogical findings and artifacts.Primary source is information that you have collected yourself, this can be in a form of survey, asking questions etc.Secondary source is information from an external source such as TV, internet, Books etc.
Primary
The primary source is Urea
yes,a coin is a primary source
Primary Source
The Mayflower Compact is a primary source document because it was created by the passengers aboard the Mayflower in 1620. It directly reflects their intentions and agreements when establishing their government in the New World.