Which describes a nonpoint source of pollution?

runoff from a road into a nearby stream

Which is most likely indicated by a sudden increase in turbidity in water?

rapid increase in the amount of algae

Under which condition are large numbers of fish in a lake likely to die?

when the water's dissolved oxygen is low and temperature is high

right after a storm with heavy rainfall

the release of harmful substances in the environment

an increase in the growth of algae in a pond

The best difference between point-source and non-point source pollution is ...

Point-source come from one site; non-point comes from many sites

Point-source comes from pipes; non-point comes from runoff

What can humans can do to minimize the destruction of the environment when extracting fossil fuels?

Humans can use environmentally responsible practices, like using bacteria to clean the water and then reuse the water in the mine.

Humans can use environmentally irresponsible practices, like leaving materials in heaps and allowing contaminants to leak into water supplies.

None of these are ways we can minimize the destruction of the environment.

Humans can dump all of the leftovers into a landfill and cover it up with top soil.

A substance has a low permeability when:

Water CAN'T Flow through easily

A place underground that stores water.

Suppose there is a drought in this area. The level of the river drops because of it. What else could happen here?

The river will immediately rise again.

Lucas built a model to show the effect of human population growth on an aquifer that supplies water for a growing city. He placed a tub under a stream of water until the tub filled and began to overflow. Then he used a water pump to begin removing water from the tub. At first he pumped slowly, and the water still overflowed. Then he pumped harder until, eventually, the water level in the tub began to go down. What is represented by the tub in this model?

The amount of water from the aquifer that is used by the city

The containment of the water in an underground area

The water that enters the aquifer due to precipitation and runoff

The amount of water that flows out of the aquifer as natural springs

The use of pesticides and fertilizers must be carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemicals on the environment?

Runoff carries these chemicals into lakes and streams.

Theses chemicals cannot be purchased in large bulk.

These chemicals are expensive to produce.

Storage space for these chemicals is limited.

Why is gravity a factor in watersheds?

it causes the water to flow down towards a watershed

it causes the water to flow away from a watershed

When fertilizers enter surface water, they cause problems in the watershed by -

causing rapid algal growth that decrease oxygen levels and choke aquatic life.

increasing the amount of nutrients available to fish in lakes and streams.

clogging narrow streams and preventing water from flowing properly.

raising the water level in nearby rivers to levels leading to flooding.

Water Quality and Human Impact with Rivers and Streams

Authored by Jazzmin Personal

Other Sciences

9th Grade

Used 8+ times

Water Quality and Human Impact with Rivers and Streams

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An example of a non-point solution is

waste water from leaking pipe

fertilizer runoff from lawns

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An example of point source pollution is

trash floating in the ocean

oil spilling from a supertanker

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

For what types of water does the Clean Water Act relate to?

surface waters

ocean waters

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A body of water that has high turbidity is ...

cloudy

clear

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following are indicators of healthy water systems?

high nitrates, high pH, and low temperatures

low temperatures, high dissolved oxygen, and neutral pH

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the possible effect of high nitrate level in water systems?

algal bloom

fewer algae

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which best determines the health of a lake used as a source of freshwater?

its temperature and pH

its location and depth

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Water Quality and Human Impact with Rivers and Streams

An example of a non-point solution is

An example of point source pollution is

For what types of water does the Clean Water Act relate to?

A body of water that has high turbidity is ...

Which of the following are indicators of healthy water systems?

What is the possible effect of high nitrate level in water systems?

Which best determines the health of a lake used as a source of freshwater?

If a body of water has high turbidity levels, what can most likely be concluded?

Which describes a nonpoint source of pollution?

Which is most likely indicated by a sudden increase in turbidity in water?

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