3 years ago

What does number 8 wire mean to New Zealanders?

1 answer:

7 0

Accordingly, the term "number 8 wire" came to represent the ingenuity and resourcefulness of New Zealanders, and the phrase "a number 8 wire mentality" evolved to denote an ability to create or repair machinery using whatever scrap materials are available on hand.

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B. List two ways producers influence consumers (4 points)

Natalka [10]

1) by making certain goods and services available
2) by creating advertisements
3) and by knowing what a consumers wants

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3 years ago

Consider a sample of water from a stream found to have an initial DO of 10.0 mg/L. It is placed directly into a BOD bottle and i

Leokris [45]

Answer:

The BOD5 for this sample is 5 mg/L

Explanation:

The BOD5 takes into consideration the difference between the initial DO and the final DO divided by the fraction of the sample tested in a 300 mL BOD flask. The problem states that the sample was directly placed in a BOD bottle so we assume that the volume used was 300 mL of the water sample. The fraction of water is 1 (300/300).

$BOD5=\frac{DOi-DOf}{fraction}$