Answer the following questions: 1.from what age is education in the united kingdom compulsory? 2.what are the establishments for pre-primaryeducation? 3.what is the difference between nursery schools and playgroups? 4.how many state schools are there in great britain? 5.what does the lea do? 6.at what age do children go to primary schools? 7.what subjects do children take in secondary schools? 8.what kind of exam do the pupils take at the age of sixteen? 9.when do the pupils take gcse a-level? 10.are there any entrance exams in british universities?