Question

please help me this is my homework ..​

Answer 1

• Alexander Graham Bell :- Invented a dehusking machine, telephone , photophone, and made other technological discoveries which future inventors carried further.

• Alfred Nobel :- A detonator, Dynamite, Gelignite.

• Isaac Newton :- Reflecting telescope and other discoveries.

• Johannes Gutenberg :- Designed and built the first printing press using movable type and mechanised ink.

• Leonardo da Vinci :- Made designs for inventions such as the flying machine, war machines and more.

• Thomas Edison :- Worked with electricity , light bulbs , telephones, motion picture cameras and more.

Answer 2

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Alexander Graham Bell - telephone

Benjamin Franklin- Electricity

Thomas edison- Electric light bulb

Galileo galilie- Thermometer..