15 заполните пропуски подходящими по смыслу и форме словами. переведите предложения. temperature, reaching, plants and animals, ozone, contains conservation is the protection of natural things, e.g. and acid rain is rain that dangerous chemicals. it is caused by smoke from factories. the ozone layer is a layer of gases that stop dangerous radiation from the sun from the earth. global warming is an increase in world caused by an increase in carbon dioxide. cfc is a chemical which destroys the layer.