Human Impact and Dissolved Oxygen

The higher the temperature, the more dissolved oxygen in water.

• True

• False

Which of these can do photosynthesis?

• Algae

• Seaweed

• Trees

• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

All of the following add Dissolved Oxygen to the water except....

• From Photosynthesis by underwater plants

• Movement of the water

• Air in the atmosphere

• Underground Oxygen deposits

Tags

NGSS.MS-LS1-6

What is the gas we exhale?

• Carbon Dioxide
• Gasoline
• Oxygen
• Methane

What is the gas that we inhale?

• Oxygen
• Gasoline
• Carbon Dioxide
• Methane

Tags

NGSS.MS-LS1-6

What can cause the level of dissolved oxygen to decrease in a body of water?

• Murky/Dark water

• lots of plants

• clear water