.docx is the default file extension on a Word doc.
C) find and replace which finds the words you want to replace in a document and replaces them to whatever you specify
Answer:
This is a heading
Explanation:
This is a paragraph does not exist. You would simply use p for paragraph. Therefore This is a heading is the correct answer.
1. Requirements gathering/analysis.
2. Design.
3. Development.
4. Testing.
5. Maintenance.
