Molten material is allowed to solidify into the final shape.
Casting defects occur during solidification:
Gas porosity
Shrinkage
Two stages of solidification:
Nucleation
Growth
The statement given above is FALSE.
In the United States, National labour union formation began earnestly after the civil war but most of these unions become non functional as a result of lack of organization, discords over union goals, lack of effective leadership, opposition from employers and the government. In the past decades, the number of employees that are members of unions have significantly decrease, this is especially true for private companies.
The answer is B. The cardiac, respiratory, and vasomotor
control centers are in the medulla. This means that the medulla controls heart
rate, blood pressure, breathing, and the size of the body's blood vessels. They
have chemoreceptors, pH sensing structures that detect levels of carbon dioxide in the blood and adjust the breathing rate accordingly.
During mitosis, the number of individual chromatids that will align during metaphase is 4 and the sister chromatids are not paired up each other.
During meisos I, the number of individual chromatids that will align are 4 and during meisos II, also 4. The sister chromatids will pair up with each other during meisos I and II.