The answer is C. I think.
Answer:
See explaination
Explanation:
E-R diagram:
Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.
Please kindly check attachment for for the ERD of the question asked.
Outlook is used for mainly emails. It also keeps track of your calendar, has contact and tasks.
Power both wind mills and water wheels produced power which was used for textile factories ect