Which of the Following Is a Closed System

question 37

Multiple Choice

Which of the following is a closed system?

• A) A cave with abundant life that was sealed off from the outside world during a landslide 100 years ago.
• B) An underwater ocean cave
• C) an aquarium
• D) a forest habitat

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Definitions:

Subject Line

The title or heading at the top of an email or document that indicates its content or purpose.

Direct Opening

A communication technique where the main point or objective is stated at the very beginning.

Procedure

A set of instructions or steps followed in a specific order to complete a task or solve a problem efficiently.

E-Mail Inbox

An E-Mail Inbox is a digital folder within an email client where incoming messages are received, stored, and organized for the user to read, reply to, or manage.