The processes of extracting and separating gold in remote regions often result in environmental contamination with Cyanide (Option B).
<h3>What is cyanide?</h3>
Cyanide is a substance that contains a group formed by Carbon and Nitrogen forming a strong chemical bond (C≡N).
Cyanide can be very toxic when forms soluble salts (e.g., sodium and/or potassium cyanide).
Cyanide was used as a chemical compound during gold extraction, thereby generating environmental contamination.
Learn more about cyanide contamination here:
brainly.com/question/220829
Answer:
A) 30 cm
B) 20 cm
Explanation:
For the perimeter of rectangle B, I just imagined there was a cut horizontally through the middle. The length would be 5, since its half, and the width would be the same (10) because folding it into a rectangle only changes its length.
I added it up : 5+5+10+10= 30 cm
Rectangle B is 30 cm
For the perimeter of square C, you folded it again to make the width decrease by 5cm , so all the sides were 5cm.
5+5+5+5=20 cm
Square C is 20 cm
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Below is the solution:
(a) <span>x bar = 3.
</span><span>n = 1
</span><span>std = 0.2
</span><span>z value = 1.645
</span>
<span>3 plus/minus 1.645 (0.2/(sqrt1))
</span>
<span>Interval = [3.07, 3.73]</span>
Answer:
i got a joke for ya
Explanation:
whats the cheapest type of meat you can find?
Deer balls. they are under a buck.