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Air Health in USA – level 1
17-12-2025 15:00
Scientists study air pollution. From 1999 to 2015, they...Air Health in USA – level 2
17-12-2025 15:00
From 1999 until 2015, scientists studied concentrations of fine...Air Health in USA – level 3
17-12-2025 15:00
A recently published study analysed concentrations of fine particulate...Too difficult English test – level 2
16-12-2025 15:00
South Korea has a very difficult college exam, and...Orcas and dolphins hunt together – level 1
16-12-2025 07:00
Orcas and dolphins work together in the ocean. They...Orcas and dolphins hunt together – level 2
16-12-2025 07:00
Scientists find that orcas and dolphins work together to...