The answer for One of the defining aspects of mass extinctions in that natural selection forces do not play a role in the outcome is False
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
Answer:
sea trade
Explanation:
The control of sea trade, the chief source of Portuguese wealth in the East, was assured by the defeat of Muslim naval forces off Diu in 1509.
Portugal's main natural resources include fish, forests (cork), iron ore, copper, zinc, tin, tungsten, silver, gold, uranium, marble, clay, gypsum, salt, arable land and hydropower.
When it is noon in Massena, New York, it would be 5PM in Greenwich, England. Why? Because the time zone in Massena is UTC -5, meaning that it is behind by 5 hours. Greenwich, England is UTC 0, so when it’s noon in Massena, New York, it would be 5PM.
