What are some land forms of new york city

What makes this speech a primary source? o a. the words are spoken by the president himself. o b. it uses narrative to keep the reader's attention. o c. it was written over 70 years in the past. o d. it contains a strong historical argument.

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?

Indicate the point where a monopoly will set its price