Answer:Examples of valuable nonmetallic minerals extracted by mining are sand, gravel, phosphate
Explanation:
Nonmetallic minerals refers to those chemical elements that cannot be used to make any other products after they have been melted. Examples of these minerals are clay, limestone,marble , sand and gravel. They are called non metallic because they can not conduct electricity , can not conduct thermal power, they lack luster,rigor and malleability.
The non metallic metals are mostly used to make cements , lime and glass.
They can also be used in sanitary ,tableware and decorative products.
Several steps are followed in making certain products from these minerals such as grinding,cutting,mixing,shaping and heating.
Answer:
Abolitionists did many things to try and stop slavery. They petitioned, wrote books, and even few ran for office. People like Harriet Tubman, Frederick Douglass, and William Garrison tried to end slavery by creating the Underground Railroad (Harriet Tubman) to allow slaves to escape to the north for a better life. Frederick Douglass spoke out about slavery, and even wrote about it. William Garrison also spoke out about slavery. He created a newspaper and helped to create the New England Anti-Slavery Society.
Explanation:
These people were very influential to the cause of the abolishment of slavery.
Answer:
13th -This amendment freed all slaves without compensation to the slaveowners. It legally forbade slavery in the United States.
14th-This amendment declared that all persons born or naturalized in the United States were entitled equal rights regardless of their race, and that their rights were protected at both the state and national levels
15th-citizens cannot be denied the right to vote because of race, color , or precious condition of servitude.
Answer: (C) Response Sets
Explanation:
According to the given question, in an survey the given type of questioning process basically helps in identify the various types of response sets as it helps in analyzing the given survey report by collecting proper data or information.
The response set is one of the process of identifying weather the given statement is correct or incorrect based on the given situation. In the given response set the participate are responding based on the given statement.
Therefore, Option (C) is the correct answer.
