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14 sie 2024 · Helium’s Future Up In The Air. You should spend about 20 minutes on Questions 27-40, which are based on the Reading Passage below. Find the practice test with the Helium’s Future Up In The Air PDF here.
9 sty 2020 · HELIUM’S FUTURE UP IN THE AIR. A. In recent years we have all been exposed to dire media reports concerning the impending demise of global coal and oil reserves, but the depletion of another key nonrenewable resource continues without receiving much press at all.
For Nobel-prize laureate Robert Richardson, the U.S. government must be prevailed upon to repeal its privatisation policy as the country supplies over 80 per cent of global helium, mostly from the National Helium Reserve.
3 Lessons. Passage 1 | Making Time for Science. Passage 2 | The Triune Brain. Passage 3 | Helium’s Future Up in the Air. Previous Lesson. Log in to save progressLoginAll CoursesWriting Marking1 to 1 Classes. Passage 3 | Helium’s Future Up in the Air. Guided Reading TestGuided Reading TestPassage 3 | Helium’s Future Up in the Air.
Therefore, one use of helium is in deep-sea diving, where helium is combined with nitrogen to lessen the dangers of breathing in ordinary air, which would be fatal under high pressure. => The answer is C
Helium is a non-renewable resource that is running out on Earth. It has many important applications, including lifting balloons and blimps, deep sea diving to mitigate high pressure, cleaning rocket engines, and as a coolant for MRI machines.
Helium’s Future Up In The Air. A. In recent years we have all been exposed to dire media reports concerning the impending demise of global coal and oil reserves, but the depletion of another key nonrenewable resource continues without receiving much press at all.
