Answer:
Examples of a primary source are: Original documents such as diaries, speeches, manuscripts, letters, interviews, records, eyewitness accounts, autobiographies. Empirical scholarly works such as research articles, clinical reports, case studies, dissertations.
Examples of a secondary source are: Publications such as textbooks, magazine articles, book reviews, commentaries, encyclopedias, almanacs.
Explanation:
Answer:
Spinal cord
Explanation:
Central nervous system consists of two parts Brain and Spinal cord.
Brain control major body function like sensation, movement, memory.
spinal cord collects information from body sends it to brain and then get information from brain and send it to whole body
D) stock is available to all members of the public
THE ANSWER IS RAILROADS!!