Water Pollution

What two agriculture nutrients cause the greatest problems in surface waters? (lead to algae growth and depleted O₂)

• oxygen and nitrogen

• nitrogen and phosphorus

• hydrogen and nitrogen

• helium and phosphorus

An example of a non-point solution is 

• waste water from leaking pipe
• fertilizer runoff from lawns

An example of point source pollution is

• trash floating in the ocean
• oil spilling from a supertanker

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

Tags

NGSS.MS-LS2-4

___________________ washes agricultural wastes, including animal wastes, fertilizers, and pesticides, into bodies of water, causing algae to grow.

• Runoff
• Peak flow
• Groundwater
• Municipal sewage

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Wastes produced by agriculture, households, industry, mining, and other human activities can end up in ______________.

• groundwater
• streams and rivers
• oceans
• All of these choices

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Water pollution that comes from many sources is considered...

• point source pollution
• nonpoint source pollution
• thermal pollution
• ocean pollution

Water pollution that comes from a single source is considered...

• point source pollution
• nonpoint source pollution
• thermal pollution
• ocean pollution

With biomagnification, animals at the bottom of the food chain will receive the most pollutant (or pesticide).

• True
• False

______________________ is the buildup of pollutants at higher levels of the food chain.

• porosity
• water pollution
• wastewater
• biomagnification