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
The zebra mussels in the great lakes are an invasive species. They eat the food for fish and other animals which could cause their starvation and could interfere with the present food web and pyramids. They also can cause vegetation to increase in growth rapidly.
Answer:
"Castro's relationship with Khrushchev appeared to be a threat to America's safety.
Kennedy attempted to create alliances with Cuba in order to overthrow the Soviet Union. "
Answer:
the random movement of molecules influenced by: The thermal energy of the environment and energy transferred from molecular collisions on the cell
Explanation:
