Watershed

what is a tributary

• large body of water entering a stream or river

• part of a stream or river that adds to a larger body of water

• polution added to large body of water

what is eutrophication

• ferelizer in a lake or other body of water due to runoff from the land, which causes a dense growth of plant life and death of animal life

• when water exist a plant through its leaves

• when a tissue called the xylem transports water up the stem of a plant

A industrial powerplant dumps its heated wastewater straight from a pipe into a stream. This is an example of -

• eutrophic pollution
  over-treated drinking water.
• riparian pollution
  flooding in the local aquifer.
• point source pollution.
• nonpointsource pollution.

Pollutants from a factory enter a stream or creek and travel to a river. River water tested with the pollutant found is called  

• point source pollution
  Available space for crops
• nonpoint source pollution.
• eutrophic pollution
• riparian pollution

What is all the water that runs off the surface of the land and washes into rivers, streams, and other waterways called?

• Runoff
• Storm Drain
• Surface Water
• Tributary

Overflow during a heavy rainstorm from a wastewater treatment plan would result in what?

• polluted runoff into nearby ponds
• flooding in the local aquifer
• weakened housing foundations
• over-treated drinking water

What can runoff contaminates cause in a lake, river, or stream?

• the earth to sink
• the water in an aquifer to drop
• harmful rapid growth of algae
• cleaner water for bathing

Which human activity leads to subsidence?

• using toxic chemicals
• filtering out pollutants
• storing drinking water above ground
• excess removal of water from underground reservoirs

A ___________________ is the area of land that collects runoff and channels it into a main river.

• rill
• gully
• stream channel
• watershed

Which of the following can pollute water?

• Moss
• Pesticides
• Seaweed
• Fish