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Luba_88 [7]
3 years ago
15

A gold miner wishes to reduce the suspended solids in his tailwater pit before releasing the water into a nearby stream. Which w

ould be a better flocculating agent, Na2CO3 or Fe2O3? Why?
Geography
1 answer:
Brut [27]3 years ago
4 0

Answer:

For the process of gold mining , Na₂CO₃ is better than Fe₂O₃

Explanation:

<u>The task of a gold miner , is to extract gold .</u>

For the process of Gold mining , carbon filters are preferred , because by using carbon filters gold can be easily extracted .

In general , silver and gold get adsorbed on the surface of carbon , hence can be very conveniently extracted from the solution .

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Question 18 (1 point)
Setler [38]

Answer:

d) Chemical composition of its outer regions

Explanation:

Spectroscopy is the study of spectral lines, it's an important part of studying the chemistry that goes on in stars and interstellar clouds, spectral lines can give relevant information because every atom or molecule gives off light at a specific frequency, thus, astronomers can look for gas containing a particular atom or molecule by tuning the telescope to one of the gas's characteristic frequencies. Therefore, we can know the chemical composition or a star's outer regions analyzing the spectral lines.

Even though the spectral shape of a blackbody continuum depends on the temperature of the object an there's a relationship between an object’s temperature and the peak of its spectrum, we don't consider this answer as correct because we are not measuring spectral lines but the continuum.

I hope you find this information useful and interesting! Good luck!

4 0
3 years ago
Ibigay at ilarawan ang mga tauhan sa akdang,Mabuhay ka anak​
dimulka [17.4K]

What????

Uhhhhh ok them

7 0
3 years ago
Read 2 more answers
Which of these organizations evolved out of the Pan-Africa movement?
MArishka [77]

the correct answer was African Union

7 0
3 years ago
What was the main goal of Justinian as emperor?
ddd [48]

Answer:

D. to regain Roman lands that had been conquered

Explanation:

He wanted to regain the Roman Empire because it was conquered. So he had armies to battle in the West and he succeeded because he took back most of Italy and a part/parts of Africa.

Hope this Helps

7 0
3 years ago
10,000 years ago what two bodies
Afina-wow [57]
From an overall perspective, A would be the best answer. Since the Nile River has always been one of the biggest rivers in history, it would most likely sustain life for the people. As well as the mediterranean, people for thousands of years relied on the Mediterranean Sea for their food and even their transportation.
4 0
2 years ago
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