Нужно 6 предложений со словочетаниями 1. endangered animal species 2.polluted waters

1. we have to protect endangered animal species by creating laws and donating to charity. 
2. polluted waters create danger for people who use it as drinking water in third wold countries. 
3. the most spectacular sunrises can be viewed from the highest point such as mountains.
4. International NGOs work on conservations projects in order to protect the environment. 
5. a lot of people hate working holidays, but you get paid more 
6. it is better to avoid steep slopes as a beginner in skiing