Surgical masks reduce COVID-19 spread, large-scale study shows
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Researcher DRAGON on Instagram: "Ethiopia’s Hayli Gubbi volcano, which had remained dormant for nearly 12,000 years, erupted and released a massive ash plume rising 10–15 km into the atmosphere. According to health and climate reports, high-altitude winds carried traces of this volcanic ash toward Delhi and North India, though experts confirm the particles are currently limited to the upper atmosphere with low immediate ground-level impact. Volcanic ash is dangerous because it contains silica, v
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