How many elements consist of the uk? and what are they? дайте полный ответ

1 a

2 an

3 a

4 an

5 a

everyone agrees that unless tiger population is protected ,they will become extinct.if it were not the efforts made by international campaigns the extinction would already have become a fact.it is time to cooperate and help to animals otherwise the future will be sad.supposing there were no tigers left in the world: how would we all feel? !