The present study discusses the effect of ozone depletion that occurred over Arctic in 2020 on column central and southern Europe by analysing a data set obtained from ground-based measurements at six stations placed 79 to 42°N. Over northernmost site (Ny-Ålesund), decreased about 45% compared climatological average beginning April, its values returned normal levels end month. Southwards, anoma...

Sentence (1) strongly suggests that the speaker does not have a sister: (1) John believes that I have a sister. a. Alternative: John knows that I have a sister. b. Actual inference: the speaker does not have a sister. 5 c. Predicted inference: it is not common belief that the speaker has a sister. According to Heim (1991), Percus (2006), and Sauerland (2006), this inference should follow from t...