1. Recent polar sea ice extent trends continued in 2015.

2. The extent to which that is possible remains to be seen.

3. The extent to which she will be successful is up for debate.

4. The vulnerability was discovered so recently that the full extent of the problem is unknown.

5. That I do not intend to permit to the extent that it is in my control.

6. To some extent they always lead us around by the nose.

7. This is the extent of what his family knows for certain.

8. It is the extent of the transformation that will be problematic.

9. It always depends on the extent of the sanctions and how they take.

10. The extent of the militias control of the city was not clear.

11. The full extent of where he lived in Pakistan is not known.

12. What was different about Nadella was the extent of his approval decline.

13. The extent of the risk from local government debt has been a topic of hot debate.

14. He fell to a large extent victim to his own success.

15. The complete extent of these effects on people is still unknown.