Crop-growing skyscrapers By the year 2050, nearly 80% of the Earth’s population will live in urban centres. Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then. An...
Tips to Answer Multiple Choice Questions Effectively IELTS Listening Multiple Choice Questions In both the Reading and the Listening sections, one question type you may be required to answer is multiple choice questions, where you have to choose the correct...