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Darina [25.2K]
3 years ago
9

Liquid leaking from a landfill is a big problem because it can contaminate ____.

Geography
1 answer:
kolezko [41]3 years ago
8 0

Answer: is C

Explanation:

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Answer:

1) a) r_{R,I} = 1150\,m, b) r_{R,II} = 3400\,m, c) r_{R,III} = 2750\,m.

2) a) r_{R,I} = 45,2\,km, b) r_{R, II} = 28,15\,km, c) r_{R,III} = 51,8\,km.

Explanation:

The scale factor is defined by the following expression:

n = \frac{r_{S}}{r_{R}} (1)

Where:

n - Scale factor.

r_{S} - Scale distance, in centimetres.

r_{R} - Real distance, in centimetres.

1) If we know that n = \frac{1}{50000}, r_{S,I} = 2,3\,cm, r_{S,II} = 6,8\,cm and r_{S,III} = 5,5\,cm, then the actual distances in metres are:

r_{R,I} = \frac{r_{S,I}}{n}

r_{R,I} = \frac{2,3\,cm}{\frac{1}{50000} }

r_{R,I} = 115000\,cm

r_{R,I} = 1150\,m

r_{R,II} = \frac{r_{S,II}}{n}

r_{R,II} = \frac{6,8\,cm}{\frac{1}{50000} }

r_{R,II} = 340000\,cm

r_{R,II} = 3400\,m

r_{R, III} = \frac{r_{S, III}}{n}

r_{R,III} = \frac{5,5\,cm}{\frac{1}{50000} }

r_{R,III} = 275000\,cm

r_{R,III} = 2750\,m

2) If we know that n = \frac{1}{50000}, r_{S, I} = 90,4\,cm, r_{S, II} = 56,3\,cm and r_{S,III} = 103,6\,cm, then the actual distance in kilometres is:

r_{R,I} = \frac{r_{S,I}}{n}

r_{R,I} = \frac{90,4\,cm}{\frac{1}{50000} }

r_{R,I} = 4520000\,cm

r_{R,I} = 45,2\,km

r_{R,II} = \frac{r_{S,II}}{n}

r_{R,II} = \frac{56,3\,cm}{\frac{1}{50000} }

r_{R,II} = 2815000\,cm

r_{R, II} = 28,15\,km

r_{R, III} = \frac{r_{S, III}}{n}

r_{R,III} = \frac{103,6\,cm}{\frac{1}{50000} }

r_{R,III} = 5180000\,cm

r_{R,III} = 51,8\,km

4 0
3 years ago
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