Eric wants to perform an investigation on red blood cells, but before beginning his investigation, he wants to learn more about them. Which of the following is an appropriate reference material that Eric could use to learn more about red blood cells?

Question

A.
a friend from school
B.
a scientific journal
C.
a newspaper editorial
D.
a science-fiction book about blood

Answer 1

B. a scientific journal

A scientific journal is a reliable reference material that provides peer-reviewed research and in-depth information about red blood cells, their functions, and related studies. This would be the most appropriate source for Eric's investigation.