Redundancy Practice AK

Identify sets of words that are redundant -- that provide the same information:

1. Quinn created the most original and unique pieces of artwork that I have ever seen from a preschool student.
2. When we went on our desert hike we find that ascending up the sandy hills were the most challenging.
3. I never want to go through that experience again; I won't repeat it. 
4. The president is rolling out the beginning of his new campaign to improve international relations.
5. When refugees who are unable to stay in their home countries apply for asylum, they face a long and uncertain process.
6. There is a significant maritime crisis in the Mediterranean Sea, where thousands of migrants are setting sail in precarious vessels. 
7. Ancient Vikings were exquisite ship-builders; they made durable ships that stood the test of time and rough seas. 
8. Life in rural Greek villages is significantly different from life in urban Greek cities. 
9. Fair Trade coffee is certified to have been produced by workers who earn a fair and sustainable wage and work in safe and nontoxic work environments.
10. Hypertensive people who have high blood pressure must be careful to avoid salt and stress.