Question

inventor/developer:
description:
telephone
effect on everyday life:
problems/concerns:
interactive
for extra help, review the 21st century

Explanation:

The concept map is about the telephone, focusing on its inventor/developer, description, effect on daily life, and problems. To fill it:

• Inventor/developer: Alexander Graham Bell is credited with inventing the telephone.
• Description: A device that transmits sound (voice) over distances via electrical signals, enabling real - time audio communication.
• Effect on everyday life: Revolutionized communication—allowed instant contact with others (e.g., family, business), reduced isolation, enabled emergency calls, and transformed business operations (e.g., remote communication).
• Problems/concerns: Privacy issues (eavesdropping), nuisance calls (telemarketing, pranks), and in earlier days, limited mobility (tethered to a location) before mobile phones.

Answer:

• Inventor/developer: Alexander Graham Bell
• Description: A device for transmitting voice over distance via electrical signals.
• Effect on everyday life: Enabled instant long - distance communication, aiding personal, business, and emergency interactions.
• Problems/concerns: Privacy risks, nuisance calls, and initial location - based use.