Answer:
A. a market economy
Explanation:
A market economy uses supply and demand to control prices. For example, if the supply is low and demand is high, then the prices will be high and vice versa. This causes competition between companies and offers consumers different choices to buy from. Additionally, this type of economy has low government control giving citizens more freedom.
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
#SPJ4
Answer:
Sherman’s troops took mules and other animals from Southern civilians.
Explanation:
Idk i just did it on edg
Answer: It helped build power plants.
Explanation: The Rural Electrification Act granted federal loans for the installation of electrical distribution systems to serve rural areas.
