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lidiya [134]
3 years ago
15

Name four federal laws that regulate mining activities in the United States

Social Studies
1 answer:
miv72 [106K]3 years ago
5 0

Answer:

drink and drive, 21 and over to drink, 21 and over to smoke, don´t disturb people who don´t want to be disturb.

Explanation:

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Which is an argument used to support the teaching of ethnic studies?
OLga [1]

Answer:

it will result in students looking at things from a different perspective

Explanation:

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4 years ago
Kleinknecht and colleagues (Kleinknecht, Dinnel, Kleinknecht, Hiruma, & Harada, 1997) administered a scale to American and J
aniked [119]

Answer:

c. the Americans were more interdependent than the Japanese

Explanation:

American students tends to be more interdependent than the Japanese students as researched by Kleinknecht and colleagues (Kleinknecht, Dinnel, Kleinknecht, Hiruma, & Harada) in 1997.

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4 years ago
Why do lobbyists, constituents and floor leaders influence the actions of a member of congress
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<span>An interest group works to convince senators and representatives to support bills that help its members and to oppose bills that hurt them.</span>
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4 years ago
Cuneiform was used in___. A.fertile crescent B. Europe C.Egypt D.China
valentina_108 [34]

Answer:

C) Egypt is the answer

4 0
3 years ago
Do you think the toluene/water combination would be a good binary solvent system for a mixed recrystallization?
Julli [10]

Yes, toluene/water combination would be a good binary solvent system for a mixed recrystallization.

Because toluene is a fairly nonpolar chemical and water is polar, they will not dissolve together, making the combination of toluene and water an excellent binary solvent system.

<h3>What is mixed recrystallization?</h3>
  • The substance to be crystallized is first dissolved in the smallest quantity of hot "soluble solvent," and then hot "insoluble solvent" is added dropwise until the solution becomes faintly hazy.
  • This is how mixed recrystallization happens.
<h3>What is binary solvent?</h3>
  • When synthesizing pharmaceuticals and drug precursors, binary solvent mixtures are employed as carriers in HPLC columns.
  • For accurate and effective separation of the necessary pharmaceutical components, it is essential to precisely manage the mixture's composition.
  • Water-based solutions of ethanol, sugar, and salt.

Learn more about recrystallization here:

brainly.com/question/14918321

#SPJ4

5 0
2 years ago
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