All Nations Have Developed an Alphabet

question 27

True/False

All nations have developed an alphabet.

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Definitions:

Tuberculosis

A potentially serious infectious disease that primarily affects the lungs and is caused by the bacterium Mycobacterium tuberculosis.

Positive

Affirmative in attitude or quality; indicative of the presence of a particular condition, substance, or feature.

Poliomyelitis

An infectious viral disease that affects the nervous system, potentially leading to paralysis.

Sequela

A condition resulting as a direct consequence of a disease, differing from the initial condition, indicating long-term effects.