Answer:
Valuable is having monetary value or has emotional importance. I don't understand what you mean by "why"...
Answer:
Fewer U.S. dollars were in circulation in 2015 than in 2019.
Explanation:
Exchange rates are known to be constantly fluctuating, and demand and supply are the causes of the rise and fall of currency values. When there is a higher demand for any nation’s currency or a shortage of the supply of that currency, then there would likely be an increase in price
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From the question here, people received a higher value of the Mexican currency in 2019 because the US dollars that were in circulation in 2015 was smaller than that of 2019
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The security tips most useful for the future computer related activities are that install apps from trusted sources, avoid sending sensitive information over text message or email.
Computer security is important because it keeps one's information protected. It is also important for your computer's overall health. Proper computer security helps prevent viruses and malware, which allows programs to run quicker and smoother.
New technology like touchless access systems, improved workforce management software, facial recognition software, and security robots are all good examples of new technology which can help security professionals perform tasks as part of their daily routines.
Hence, through these tips security should be maintained.
To learn more about Computer security here:
brainly.com/question/5042768
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The last one is the answer hope that helps
