Can some one pls help me because i realy need help for a quiz
Because the enlightenment made people think and question what was going on around them..... and less ignorant. Hope this helped <3 !! i wrote it myself not google nw.
<u>Answer:
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For the fact that the resources are limited, the economies must make the decisions.
<u>Explanation:
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- At any given time, the resources that an economy can make the most out of are limited. It is mandatory for the economies that for their own benefit, they make the best and optimum use of the resources they have at hands before they run out of resources of waste them in insignificant activities.
- All the decisions pertaining to resources and their distribution must be hence left into the hands of the economy so that the best financial use of the resources in done.
Porosity is a cavity-like discontinuity and occurs due to the entrapment of gases in the molten weld pool. These entrapped gases don't get a chance to escape from the molten weld pool and hence cause porosity.
<h3>Which discontinuities are caused during welding?</h3>
Weld discontinuities can be defined as "an interruption of the typical structure of a weld, such as a lack of homogeneity in the mechanical, metallurgical or physical characteristics of the weld." Porosity is considered to be the most critical discontinuity. Weld discontinuities include porosity, incomplete fusion, excessive melt.
To learn more about welding visit the link
brainly.com/question/19997700
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