PH lower than 5
PH higher than 5.6
Dissolved oxygen higher than 5
High levels of nitrogen and phosphorus
PH level and invertebrates
Microbiological and aquatic invertebrates
PH level and acidity
Density of dissolved minerals can affect the concentration of the oxygen levels
Amount of dissolved CO2
Photosynthesis from plants
None of the above
The density is 5g/cubic cm (heavy metals)
They weigh the water down
It is a toxic metal
The density is 5mg/cubic cm (heavy metals)
It uses limestone neutralize chemicals
It is used to reduce emissions
It uses limestone to "clean" the SO2
It uses limestone to filter the CO2
Recreation, Drinking water, Irrigation, Protect aquatic life, and livestock drinking water.
Cleansing, Recreation, Drinking water, Irrigation, other uses
Energy, Cleansing, Drinking water, recreation, irrigation
Cleansing, Drinking water, aquatic life, livestock drinking water, energy
Enhanced greenhouse effect
Permeable means substances can move easily through it
Permeable means that certain substances can move through
Permeable means that nothing can pass through
Impermeable means that it is very difficult or can barely pass through it
Dissolving in water
Reducing the concentration of a substance
Transporting water in soil
All of the above
PH level flux
Rivers and streams
Precipitation, Condensation, Snow
Air, Groundwater, Runoff, Outflow
Precipitation, Groundwater, Rivers, Streams, and Lakes
Amount of bacteria
One bromine atom can remove 10,000 nitrogen atoms from the air we breath.
They can destroy the greenhouse gases that keeps us warm.
They can destroy the ozone layer because of the bromine and chlorine.
They destroy the ozone layer because of the fluoride, carbon, and chlorine.
Thick ozone layer.
Ground level ozones.