Answer:
The Ethiopian Highlands is a rugged mass of mountains in Ethiopia, situated in northeast part of Africa. It forms the largest continuous area of its elevation in the continent, with little of its surface falling below 1,500 m (4,900 ft), while the summits reach heights of up to 4,550 m (14,930 ft).
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GAO report said hundreds of planes flying commercially today could be vulnerable to having their on board computers hacked.
Answer:
b. Free Enterprise
Explanation:
A "free enterprise" is dependent on the economy's <em>supply</em> and <em>demand</em>. It provides both the consumers and the producers the freedom in doing business transactions.<em> The producers are free to produce what they want while the consumers are free to buy what they want.</em> This also means that businessmen have the option to choose what business they want to open and employees have the option to choose what job they want. Such kind of economic system drives <u>competition.</u> For example, if the demand for leather shoes rises, then many of the businesses will be inclined to produce the same product.<u> This gives the consumer many options</u>. Businesses will then try to become more creative in marketing the same product at a lower cost in order to attract more consumers.
Answer:
The Doppler radar uses what is known as the Doppler effect. In essence, the frequency of the radar signal increases when precipitation is moving towards the radar and decreases when precipitation is moving away from the radar. This can be vital in predicting tornadoes or gusts of wind.
Explanation:
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