Answer: External forces are forces caused by external agent outside of the system. Internal forces are forces exchanged by the objects in the system. To determine what part should be considered external and internal, mechanical system should be clearly defined.
Explanation:
The steps of hydraulic fracturing have been placed in order as follows:
1. The targeted shale formation is drilled to the desired depth
2. The well is completed
3. Production begins with oil and gas flowing and fracturing commencing.
4. Well abandonment which entails leaving the land as it was initially..
<h3>What is hydraulic fracturing?</h3>
Hydraulic fracturing refers to the process of injecting a well with chemicals and other materials that are needed for it to release its oil content. Hydraulic fracturing often begins with the preparation of the well to be used for the purpose.
Next is the drilling of the target area. This is followed by the completion of the well, and the beginning of production. After production is completed, the well is now abandoned or returned to the way it was when production began.
Learn more about hydraulic fracturing here:
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I think it is A due to globalization, less people need to make products in there own country.
A. Women marry later and have fewer children, usually this is not the case, the women will marry earlier and have lots of children in places where they are not educated.
Answer:
Fast
Explanation:
For a river that deposits small particles where it flows into a sea, the current is likely to be fast.
A fast current is only able to winnow through the sediment and removes the fines.
- On reaching the river mouth with the sea, they settle and get deposited
- For a slow current, there is enough time for the energy to get along with the sediments.
- This ensures the proper drag of the particles throughout the session into a basin or the river mouth.
- Most fast currents are not usually deep enough to remove the coarse particles.
