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English Senior High

ここの構文と意味のとり方教えて下さい🙇‍♀️

a safe chemical with(the lowest boiling point 6f)any gas, which fhakes helium good for cooling medical equipment o extremely 16w temperatures. Helium is also used(in combinations of breathing gases for deep-sea diving replacing nitrogen gas, which can hake people'sick at high pressures. Helium is collected as a by-product of the oil and gas industry. In the 1920s, the US government began to store helium at the National Helium Center (NHC), to_use in military flying machines. By the 1960s, the US military had new uses for helium, such as cleaning fuel tanks for rockets. By the 1990s, the NHC was in enormous debt from storing helium, so a law was passed in 1996 forcing the NHC to sell all of its helium by 等、 2A15 no matter the market price

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English Senior High

答え4だったのですが何故ですか？

たo/@Ve/ YOの bee ]ast 200 years, people have begun to live longer and longer. This trend more_economnically developed countries。and for some time there Was a growng gap _between_the average_length of jife in rich countries and poor countries/Oyer the Dast few decades、however。 many Poor countries have also made improvements and they are now close to catching up with the wealthier ones. As a result every year there is a 8rowing number of older people in countries all over the world. It is a good thing that people are living longer, but it does have some diffcult aSpects. One of these is that more and more people are suffering from diseases aSsociated with getting older. The number of cases of high blood pressure, heart disease, cancer, and other inesses is increasing, In Australia, for instance。 a recent report said fhat people, on average, live 25 years longer than fhey did a hundred years ago.| Now, there are many more people suffering from serious illnessesOne consequence 3S that each year countries have to spend more and more on medical care foOr Older People. 4 IMany governments have begun to promote healthier lifestyles fo young people, such as losing weight and exercising regularly。as a Way to preventiSerious illnesses、 However as the body gets older, even people who haw have lived healthily are Hikely to become 井. Recentiy。research has begun 10 shoW that 了 this is the result of people's DNA gsetting older. When DNA breaks down, Important iR to control the body's functions is lost. Eventually, serious imesses mmay OCCUT However, David Sinclair,a researcher at the University oNew South Wales im Australia,、 is working on a way to keep DNA healthy。 He used a chemical called nicotinamide mononucleotide (NMN) to see 辻 he could reduce the efects of age on mice. Mice thaf were given NMN became stronger and healthier than they, had been Showing that the chemical was effective./He believes that one day this Lco both longer and make a medicine_for_hunaans. In this Way, Old people may be able to 1 healfhier lives.
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