water quality

sources of water pollution are

• non point source only

• point source only

• both point and non-point

• non

which type of pollution shown in the picture

• point source

• non-point source

• both types

• non

What do you think the consequences of low dissolved oxygen in water body ?

• fish will reproduce more

• high risk on fish

• reduce growth on crabs

• intolerable environment for the marine organisms

Analyze the graph to explain the relation between temperature and amount of oxygen

which of the following sentences is/are correct ?

• Nitrate is a nitrogen based compound often used in fertilizers

• when algae die, dissolved oxygen increases

• Runoff from fertilizers used in farming can deliver nitrates to lakes and streams

• More matter floating on water surface means high turbidity

which one of the following terms describes the image

• acidity

• turbidity

• nitrates

• temperature

What is bioindicator?

• It is another way that water quality can be measured

• it is a plant live in water

• It is an organism that is sensitive to environmental conditions and is one of the first to respond to change

• non of previous

which one of the following terms describes the image

• point source

• bioindicators

• remote sensing

• non-point source

Remote sensing is .......

• It is collection of data from a distance by taking photos from the air

• It is collection of data from a distance by taking photos from the water

• It is an organism that is sensitive to environmental conditions and is one of the first to respond to change

ANALYSE THE GRAPH.

WHICH ONE OF THE FOLLOWING RIVERS IS CONSIDERED TO HAVE GOOD QUALITY

• Kissimmee river

• peace river

• tamiami river

• non