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Methane and the world’s temperature – level 1
25-08-2021 07:00
Methane is a gas. It has no smell. People...Methane and the world’s temperature – level 2
25-08-2021 07:00
Methane is an invisible gas which has no smell....Methane and the world’s temperature – level 3
25-08-2021 07:00
Although carbon dioxide from burning fossil fuels is the...Greenland and Antarctica lose ice – level 3
25-09-2026 07:00
A major scientific study reveals that Greenland and Antarctica...How snowflakes form – level 1
23-09-2026 15:00
Snowflakes form when water meets tiny objects in clouds....How snowflakes form – level 2
23-09-2026 15:00
Snowflakes form when water vapor meets dust or pollen...How snowflakes form – level 3
23-09-2026 15:00
Snowflakes, with their intricate and captivating beauty, can be...A man makes new orchids – level 2
14-09-2026 07:00
Lorenzo Suarez lives in a poor neighborhood near Havana,...A man makes new orchids – level 3
14-09-2026 07:00
In a rundown neighborhood on the outskirts of Havana,...