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Extreme weather in a room – level 1
21-10-2021 07:00
Scientists in Italy work in special rooms. Any weather...Extreme weather in a room – level 2
21-10-2021 07:00
Italian scientists work in special rooms. These rooms are...COVID-19 vaccine from a tree – level 1
12-10-2021 07:00
Farmers in Chile’s Casablanca area grow special trees. These...COVID-19 vaccine from a tree – level 2
12-10-2021 07:00
Forest experts in Chile’s Casablanca region are growing young...Passengers do not want to wear masks – level 1
07-10-2021 15:00
Traveling during COVID-19 is different. People fly again. They...Passengers do not want to wear masks – level 2
07-10-2021 15:00
A US organization for flights said that there were...