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 = (10-5)/1
BOD 5 = 5 mg/L
The answer is b because I just took my test and got it right so good luck
Hurricane Sandy hit issues or lessons that emerged from this natural disaster that there was a severe shortage of fuel in New York City.
<h3>What is a natural disaster?</h3>
A natural disaster can be defined as a disaster that is called environmental change, it could be a flood, Hurricane, volcano eruption, or earthquake.
Hurricane Sandy hit New York City in 2012 which caused major damage that was brought to the City.
With this damage came various problems, and one major problem which occurred was a shortage of fuel around the area. As there was no way the transportation would happen, the fuel would reach the area.
Learn more about a natural disasters, here:
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D. North and South piglets.
Explanation: The absolute location does not change, such as the position of a place or the longitude and latitude of a place. The relative location changes depending on the person who informs of the location. On the map of fiction, the element that suggests the relative location is to the North and the South of the piglets. Directions such as north, south, east, and west of great help to explain that when a place is in relation to another.
