How a satellite tracked an invisible volcanic cloud
An A2 reading about Sentinel-5P tracking sulfur dioxide after the Hunga Tonga eruption.
Esta semana hemos seguido una nube invisible
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, . . 15 2022.
-5P . . , 7.000 .
. : . .
. . .
¿ ? ¿ ?
-5P . . , 7.000 .
. : . .
. . .
¿ ? ¿ ?
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About this article
Level A2 Reading focus
What you'll learn
Present perfect with ha and hemos, regular participles, and the open period esta semana.
A class compares satellite maps and sees how a sulfur-dioxide cloud travelled more than 7,000 kilometres.
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