The World War I started the 28th of July, 1914 and ended the 11th of November, 1918.
4 years of a really terrible environment unfortunately.
Hope it helped,
BioTeacher
<u>Answer</u>:
Cell phones contain rechargeable batteries that transform chemical energy into electrical energy. When using your cell phone, electrical energy is first transformed into <u>Electromagnetic waves </u>that are transmitted through the air.
<u>Explanation</u>:
When chemical energy is converted into electrical energy in cell phones, then this electrical energy firstly transformed or converted into electromagnetic waves which travels through air. Then this electromagnetic wave is converted into sound energy due to which users are able to listen audio, music, movies etc on their mobile phones.
The electrochemical energy that stored in a cell is removed as electrical energy in the process of discharging. There are so many other thermal and electrochemical processes taking place at the same time.
Answer:
<em>The correct option is B) Role models and leaders</em>
Explanation:
History is exploded with role models and leaders of a society under which many cultural changes are influenced. For example, the services of Martin Luther King for bringing social equity contributed to major cultural change in America. Due to the hard work of Martin Luther King, people with minorities were also able to live a peaceful life.
Not just Martin Luther King, history of each country is filled up with role models and leaders which contribute to cultural changes over time.
Answer:
Signal lights have an important safety function. They demonstrate deceleration and a change in direction of the vehicle, and make the vehicle more visible to other road users when it is dark or during poor visibility.
Explanation:
