Water Quality

DO stands for

• displacement orientation

• dissolved oxygen

• dysfunctional organisms

• double oxygen

Warmer water holds __________ dissolved oxygen than colder water.

• more

• same

• less

• twice as much

Water with a pH of 3 is considered

• alkaline

• basic

• acidic

• neutral

Turbidity is

• how cloudy the water is

• the amount of hydrogen in water

• how fast the water flows

• the amount of nutrients in the water

Water with a pH of 7 is considered

• alkaline

• basic

• neutral

• acidic

The most important biological indicators are

• fish

• frogs

• birds

• turtles

TDS stands for

• Too dry and salty

• Two doubtful Stories

• Total Diurnal Solids

• Total Dissolved Solids

Water with a pH of 9 is considered

• Alkaline

• Neutral

• Acidic

_______ is the increase of nutrients in water that leads to potentially lethal excess plant growth.

• eutrophication

• fertilization

• nitrates

Clear water has _______________ turbidity.

• low

• high

• no