<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: B
Explanation: Revered the world over for his nonviolent philosophy of passive resistance, Mohandas Karamchand Gandhi was known to his many followers as Mahatma, or “the great-souled one.” He began his activism as an Indian immigrant in South Africa in the early 1900s, and in the years following World War I became the leading figure .
<span>To stabilize an unstable economy,
a proposed policy rules must include expansionary and contractionary fiscal
policies to shift aggregate demand in response to a recessionary gap and
inflationary gap. Another policy is to increase government purchases for it can
increase income, which in turn increases consumption. Then, a change in
business taxes would increase in the investment tax credit or a reduction in
corporate income tax rates, which will increase investments. In addition,
income taxes should be lessen to increase consumption or buying power of consumer, which will affect the
aggregate demand. Lastly, a policy rules in change in transfer payments should
also be included for it can also change the aggregate demand curve of the
economy.</span>
The answer is: the German invasion of Poland
The moment German invaded Poland, the British government realized that Hitler was serious in his intentions to conquer Europe. Because of this, they started to initiate a plan to limit German's forces before spreading to other crucial Area in Europe. They send heavy automobiles such as Tanks to guard the borders.
Establishing public schools
