Click in the correct answerOnline version Based on what you learned, select the correct answer by Laura Sanchez 1 How many layers does the earth have? a 4 b 2 c 5 2 Ozone layer protects us from.. Selecciona una o varias respuestas a The aliens b Harmful rays from the sun c Toxic gases 3 The stratosphere is.. Selecciona una o varias respuestas a The coldest layer b The hottest layer 4 Which one is the last layer of the atmosphere Selecciona una o varias respuestas a Exosphere b Thermosphere c Stratosphere 5 Atoms and molecules scape into the space in.. Respuesta escrita 6 Thermosphere.. Selecciona una o varias respuestas a Is the hottest layer b Consumes lots of solar radiation most of the x-ray and UV radiations Explicación 2 In particular, the ozone layer protects us from the UV radiation, known as UV-B, which causes sunburn. 3 It is one of the layers of the earth's atmosphere; It is located between the troposphere and the mesosphere. 4 The exosphere starts at the thermosphere but it doesn't really have a sharp beand instead it just thins out till it gets empty as the outer space.