Facebook Is

question 97

Multiple Choice

Facebook is

• A)a website where users may create a personal profile, add other users as friends, and exchange comments, photos, videos, and "likes" with them.
• B)a website that enables users to send and receive "tweets," messages up to 140 characters long.
• C)a business-oriented website that lets users post their professional profiles to connect to a network of businesspeople.
• D)a video-sharing website in which users can upload, distribute, view, and comment on videos.

Determine the logical strength and completeness of explanations.

Identify implicit assumptions in evaluating the strength of an explanation.

Understand the criteria for evaluating the adequacy of hypotheses and explanations.

Identify the characteristics that make an explanation logically strong, complete, and informative.

---

Definitions:

Homeostasis

The process by which a living organism regulates its internal environment to maintain a stable, constant condition.

Vagus Nerve

The tenth cranial nerve that innervates digestive organs, heart and other areas, and is part of the parasympathetic nervous system.

Reflexes

are involuntary and nearly instantaneous movements in response to a stimulus as part of the body's defense mechanism.

Blood-Brain Barrier

Permeability barrier controlling the passage of most large-molecular compounds from the blood to the cerebrospinal fluid and brain tissue; consists of capillary endothelium and may include the astrocytes.