Answer:
a. HTML b. Editor d. Shortcuts
Step-by-step explanation:
a. HTML
The HTML is important for the validity of scientific research because it proves the originality of the sources where the information was taken. A good HTML avoids plagiarism and supports information veracity.
b. Editor
The editor helps for the validity of scientific research because it proves that the information is correctly, that came through a very important step for the making of scientific research that is revision and edition.
c. Shortcuts
A very important factor of a well done scientific research is that is "easy to read". Shortcuts help the reader to find information quickly in the research, which gives it the importance for determining the validity of the scientific research.