Olimpiada task for 11th form

A)water shortage B) coral reefs C) climate change D) ice sheets

15. She says that she got into science because she wanted to ___ ___

A) make difference B) take care C) make money D) earn money

16. Rearrange the words to make meaningful sentence: ecology/ is/ To keep/ our duty/ in balance. A) To keep ecology in balance is our duty. B) balance is our duty To keep ecology in C) To keep ecology in our duty D) To keep in balance is our duty

17. The tropical rainforests wouldn’t have disappeared if men (not cut) the tropical trees.