Answer:
They test or measure something.
Explanation:
Primary research articles report on research that has been completed. Therefore, a primary research article will review and analyze studies, and will state the research question and hypotheses of the studies presented. A primary research article does not test or measure anything, but will report on studies that do.
Answer:
There are 29 skull bones in human body.
The answers is chromosomes
The answer is C. mycorrhizae.
Hope that helped you.
