Identify the source described as primary, secondary, or tertiary. an original oil painting: 1. primary 2. secondary 3. tertiary

Works of art, architecture, literature, and music (e.g., paintings, sculptures, musical scores, buildings, novels, poems) are all primary sources.

An orginal oil painting is a Primary source (option 1)

Explanation:

Primary sources provide direct, immediate, first-hand information from people who had straight linking with it, the closest thing to what is being studied. Primary sources are frequently empirical studies, direct observation of what is being investigated, in the natural and empirical sciences. Examples can be: statistical data, results of an experiment, historical and legal documents, and of course, an original oil paiting.

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.