Of the Roughly 1 Billion Internet Users Worldwide, Only _____

question 48

Multiple Choice

Of the roughly 1 billion Internet users worldwide, only _____ are estimated to live in less developed nations.

• A) 200 million
• B) 100 million
• C) 10 million
• D) 20 million

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Definitions:

Melanin

A pigment that is deposited throughout the layers of the epidermis.

Thymosin

A hormone produced by the thymus gland that plays a crucial role in the development and differentiation of T lymphocytes, important for the immune response.

Thyroid Gland

A gland in the neck that produces hormones regulating heart rate, body temperature, and metabolism.

Hormones

Chemical messengers produced by glands in the body that regulate physiological activities by signaling to organs and tissues.