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Mekhanik [1.2K]
4 years ago
7

Scientists can use the ______ of minerals to tell them apart. A. size B. color C. sound D. length

Social Studies
1 answer:
babymother [125]4 years ago
5 0

Scientists can use the color of minerals to tell them apart.

Idiochromatic minerals <em>(self-colored) </em>due to their composition. The color is constant and predictable.

Allochromatic minerals <em>(other colored) </em>due to trace impurities or defects in their structure. The color is variable and unpredictable.

Pseudochromatic minerals <em>(false colored)</em> due to effects produced by light. The color is variable but a unique property of the mineral.

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4 years ago
Examples of valuable nonmetallic minerals extracted by mining are ________.Examples of valuable nonmetallic minerals extracted b
BabaBlast [244]

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.

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They can also be used in sanitary ,tableware and decorative products.

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3 0
3 years ago
Which statement best describes daily life in the soviet union for common citizens?
sasho [114]
The correct option is A.
The Soviet Union economy was based on the principle of state ownership of the factors of production, that is , the state controls investments and public ownership of industries. Based on the system of state ownership, the economy of Soviet Union is managed through the state planning commission. Thus, the citizens has controlled access to consumers goods, they only have those goods that are given to them by the state.<span />
8 0
3 years ago
Read 2 more answers
What does the excerpt say about Washington’s views on political parties?
LenaWriter [7]
It seems that you have missed to attach the given excerpt for this for us to answer so I had to look for it. So based on the excerpt which is part of a speech about  Washington’s views on political parties, this excerpt says that p<span>olitical parties may lead to unrest in American communities. The answer would be B. Hope this helps.</span>
5 0
4 years ago
What caused the violent events at Wounded Knee in December 1890? Select all that apply.
erica [24]

The violent events at the wounded knee was due to the fact that

  • US Troops want to disarm a band of Sioux Indians seeking protection at a reservation
  • Ghost Dance rituals stirred fears among government officials.

<h3>What was the wounded knee event of 1890?</h3>

This was a massacre that took place in this year which left a lot of government officials and Sioux people dead.

This was a conflict that involved the native Indians and the government representatives that were sent to the area.

<h3>Complete question</h3>

What caused the violent events at wounded knee in December 1890? Select all that apply.

-Sioux leaders were planning an armed uprising against the army

-Cheyenne and Sioux fought over good supplies at the reservations

-Ghost Dance rituals stirred fears among government officials

-US Troops want to disarm a band of Sioux Indians seeking protection at a reservation

Read more on the wounded knee here:

brainly.com/question/11561160

#SPJ1

5 0
2 years ago
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