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ohaa [14]
3 years ago
11

Examples of valuable nonmetallic minerals extracted by mining are ________.Examples of valuable nonmetallic minerals extracted b

y mining are ________.lead, cadmium, mercurynitrogen, hydrogen, neonsand, gravel, phosphateradon, radium, sodiumgold, platinum, copper
Social Studies
1 answer:
BabaBlast [244]3 years ago
3 0

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.

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Why should we have open immigration?
swat32

Answer:

<em>Because immigration is a natural process and a policy of open immigration avoid many of the problems, costs and negatives effects of illegal immigration.</em>

Explanation:

In a country with open immigration people will not use of fraud to get inside the country or to get work, that way the state doesn’t need to spend so much money in securing borders or investigating frauds and illegal workers.

With open immigration the immigrants are able to participate in the economy and pay taxes as other citizens, these increase the states income and the opportunity for investors, if they are illegal they can’t open a legal business, as happened in past with the Chinese’s for many years in US. Or they won’t need social welfare because they can have an income, that way they don’t have to be under the state’s support or be in custody in prisons.

They can also respond to law and have some responsibilities as other citizens without having all the native’s rights, this creates a more equal situation than when they are illegally immigrating.  

4 0
3 years ago
The detection of significant levels of _____________ on the back and thumb web of the deceased's firing hand indicates that the
WINSTONCH [101]

Answer:

correct option is B. Primer residue

Explanation:

correct answer is Primer residue because primer residue are form from the ignition of the chemicals in primer when the firearm is  discharge

and the result in formation of microscopic particle that is blown out of various  opening in weapon when this weapon is discharge

and this primer residue is deposit on hand as firing weapon and hand weapon

but in the absence of primer residue on hand it is consistent with individual not have fire

so correct option is B. Primer residue

4 0
3 years ago
Although most members of the faculty were strongly against the proposed new schedule, they did not voice their objections becaus
Dafna1 [17]

Based on the fact that the small group of dissenters did not voice their objections because well-liked members were in favor of the schedule, this is <u>Groupthink</u>.

<h3>What is groupthink?</h3>

This is a phenomenon where people in a group will pick choose a certain decision because they believe that most of the group supports that decision.

They do this even though they may have dissenting views, because they do not want to be left out.

Find out more on groupthink at brainly.com/question/10206116.

4 0
2 years ago
How is lily's relationship with zach causing her to change?
valentina_108 [34]
Zach visits on occasion, and seeing him causes Lily’s stomach to turn circles. Lily tells him that she considers him a friend, a boyfriend, a beekeeper, and a brother. She tells him what would happen if she were black, but Zach replies that there is no use in that kind of speculation. Instead they have to think about changing the world. Lily discovers something in him that has grown angry, and he fills his mind with complex race-relation issues. Lily wishes they could return back to the simple conversations they had before.
5 0
3 years ago
List the two main categories of state tax revenue​
Ber [7]

Answer:

Explanation:

State & Local Revenue

Taxes represent the largest single source of revenue for state and local governments. Additional sources of state and local government revenue include intergovernmental transfers from the federal government, or from state to local governments, selective sales taxes, and direct charges for utilities, licenses, or entities such as higher education institutions and insurance trusts. For the 20 years, 1996-2015 state and local governments derived approximately 45 percent of revenues from taxes, 18 percent of revenues from the federal government, and approximately 25 percent from service and utility charges.

State and local governments collect tax revenues from three primary sources: income, sales, and property taxes. Income and sales taxes make up the majority of combined state tax revenue, while property taxes are the largest source of tax revenue for local governments, including school districts. Tax revenues fluctuate in response to changes in economic conditions and tax policies.  

For the past 20 years, property taxes have accounted for approximately 31 percent of all state and local government tax revenue, with sales and income taxes each accounting for approximately one-quarter of total revenues. Other levies, which includes selective sales taxes, such as for alcohol and tobacco, and licenses, such as for hunting and motor vehicle operation, account for nearly 18 percent. These percentages may be different for a given year within the period. Property taxes are the most volatile, ranging from 25 percent to nearly 57 percent, and sales taxes are the least volatile, ranging from 21 percent to 35 percent. Income taxes ranged from 21.5 percent to 44 percent.

3 0
3 years ago
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