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aliya0001 [1]
3 years ago
11

You notice that heat is released during a chemical reaction. This reaction is a(n) _______ reaction. endothermic heat hot exothe

rmic
Physics
1 answer:
lidiya [134]3 years ago
8 0
The reaction is an exothermic reaction.
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Identify two potential improvements to the opal extraction process and explain how these improvements could minimize harm to the
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• Improving the environmental performances

• Developing Green Mining technology

Explanation

The effect to the environment caused by opal mining are; impact on soils and geology, clearing of native vegetation disrupting flora and fauna, change in land use and effects of air quality.

Opal mining is currently examining environmental impacts and adopting measures that mitigate the impacts making the process less destructive to the environment.

With the current commitment to sustainability, opal companies are investing funds for Green Mining as a positive way to impact the environment before and after mining.


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3 years ago
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If a point charge is located at the center of a cylinder and the electric flux leaving one end of the cylinder is 20% of the tot
zheka24 [161]

The portion of the flux leaves the curved surface of the cylinder is 60%.

<h3 /><h3>What are electrons?</h3>

The electrons are the spinning objects around the nucleus of the atom of the element in an orbit.

If a point charge is located at the center of a cylinder and the electric flux leaving one end of the cylinder is 20% of the total flux leaving the cylinder.

If 20% of the flux leave from one end, then another 20% will leave from another end.

So, the net flux through curved surface is

100 -20 -20 = 60%

Thus, the total flux  leaves the curved surface of the cylinder is 60%

Learn more about electrons.

brainly.com/question/1255220

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5 0
1 year ago
What would happen to a moving object if no unbalanced force acts upon it?<br> Help please?
Kisachek [45]

Answer:

B

Explanation:

if no force acts upon it it will just continue moving

hope this helps!! have a wonderfull day!

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3 years ago
The unit of length mist suitable for measuring the thickness of a cell phone is a_________? ​
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Answer:

Explanation: Width

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How many legs does an arachnid have??
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An arachnid has eight legs.
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