Answer:
formal tone/formal speech
Explanation:
formal because you don't wanna be using an informal tone (like using slang) in front of your classmates and professor. if you use informal tone, they might think you're not taking the presentation seriously!
Hieroglyphs, petroglyphs (pictures carved into rocks), and cuneiform (a writing system using hashmarks on clay tablets) were all early forms of written communication. All of them were precursors to alphabets, which use letters to represent sounds. Grunts are an early (and present-day) form of communication, but they aren't written.
Answer:
with" (and any subsequent words) was ignored because we limit queries to 32 words.
Search Results
Web results

Answer:
First, the evolution of technology is beneficial to humans for several reasons. At the medical level, technology can help treat more sick people and consequently save many lives and combat very harmful viruses and bacteria.
Disadvantages and risks of technology
On the other hand, the evolution of modern technology has disadvantages, for example, dependence on new technology. Man no longer needs to think. Even if the calculator is a good invention, man no longer makes mental calculation and no longer works his memory. The decline of human capital implies an increase in unemployment. In some areas, devices can replace the human mind.
