What is dissolved oxygen?
Q: What is dissolved oxygen?
A: Dissolved oxygen is oxygen dissolved in to water.

Q: What is direct absorption?
A: Direct absorption is when oxygen goes into water and becomes dissolved oxygen.
What is dissolved oxygen?

Q: What is dissolved oxygen?
A: Dissolved oxygen is oxygen dissolved in to water.

Q: What is direct absorption?
A: Direct absorption is when oxygen goes into water and becomes dissolved oxygen.

Q: When the organic matter such as animal waste or more importantly waste water enters a body of water what happens?
A: what happens is water algae growth increases the dissolved oxygen levels decrease as the plant material dies off and is decomposed through the action of the aerobic bacteria.