« previous next »

Author Question: Biochemical oxygen demand (BOD) is a measure of the amount of A) dissolved oxygen in a water ... (Read 194 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
on: Aug 27, 2018
Biochemical oxygen demand (BOD) is a measure of the amount of
 
  A) dissolved oxygen in a water sample.
  B) dissolved biochemical oxygen in a water sample.
  C) oxygen required to degrade organic material in the water.
  D) oxygen required by aquatic life in a water sample.

Question 2

On water procedures utilize rapid stirring to produce a suspension of reactants with large surface areas to increase reaction rates.
 
  Indicate whether the statement is true or false


Jmfn03

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Earth, water, air Earth, water, air
Classic Supply - Demand Curve Classic Supply - Demand Curve
Water provides adequate hydration Water provides adequate hydration
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ... A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...
If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction ... If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction ...
Video: Wound Cultures

For a complete list of videos, visit our video library