1) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.

2) The Atlantic Ocean is the second-largest ocean and is known for its strong ocean currents, including the Gulf Stream.

3) The word "flower" contains two vowels: O and E.

4) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.