Fill in the Blanks Unit 5 Grammar 2 (Unlock Reading and Writing 3)Online version Fill in the gaps by Şehriban Dündar 1 main three cause effects loss because changing results cause causing of of number of Complete the topic sentences using the words in the box . You will not need to use all the words . 1 mark for each correctly completed gap . cause of changing effect number of causing devastating leading three main due because because of loss results cause change 1 Human activity is the environment to change in a ways . 2 The environment is in ways . 3 Humans are the climate change deforestation and burning fossil fuels . 4 Rising temperatures , of biodiversity and rising sea levels are the main of climate change . 5 Human activity is having a major on the environment , which will many problems for human and animal life in the future .