Greenland is an autonomous country with the Kingdom of Denmark. although Greenland is geographically a part of North America continent, it has been politically and culturally associated with Europe for about a millennium
Answer:
Option C. Is used to cool the drill bit and to flush rock cuttings up and out of the drill hole
Explanation:
Drill mud plays a vital role in the drilling process. Its addition into the well-bore does a lot in enhancing the drilling processes and activities.
Among other importance and function of the drill mud /fluid:
1. It is used to cool off the drill bit
2. It flushes rock cuttings out of the drill hole
3. High pressure control
4. Providing buoyancy
5. Lubrication
A continental volcanic arc created due to the subduction of the Nazca Plate beneath the South American Plate has lead to the formation of the Andes mountains and Cotopaxi Volcano.
Option B
<u>Explanation</u>:
Mountains and volcano are mainly created due to the movement of plate depending on type of plate when plates of converging nature the for folds which make them create mountainous topography or during subduction zone where the Andes mountain Cotopaxi volcano was created their reason for their formation was the movement of Nazca plate beneath the American plate which led to the mountainous formation along the volcanic formation. The movement in plates can really make all the difference in topography and that’s how all the mountains are formed by it Himalaya or any other mountain.
Answer: Any 'European' country who fulfils the EU criteria of membership can apply to join the EU. Membership criteria are known as the Copenhagen criteria. These include 'a free-market economy, a stable democracy and the rule of law, and the acceptance of all EU legislation.
