#RFB-11001068Reading: Fill in the BlanksAcademic,CoreMedium
Ozone Layer
Official Question Material
Prep: Varies
Scientists first [blank] a hole in the ozone layer, a thin part of the Earth's atmosphere, back in 1985. Countries [blank] a global agreement called the Montreal Protocol, which established the phase-out of almost 100 synthetic chemicals that were [blank] to the destruction of the ozone.
Sample Answer & Audio Transcript
Scientists first identified a hole in the ozone layer, a thin part of the Earth's atmosphere, back in 1985. Countries adopted a global agreement called the Montreal Protocol, which established the phase-out of almost 100 synthetic chemicals that were tied to the destruction of the ozone.
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