Deck 9 (slides 47-54)

One way people impact the environment is _________ _____________ of waterways.

Thermal pollution occurs when industry uses water to _______ machines. When the water is put back into the rivers, it increases the temperature of rivers which __________ the level of dissolved O2 in the water (this is bad for fish).

One way people impact the environment is environmental _________ (such as DDT and PCB’S).

Environmental cannot be _________ _______ by living things and builds up in their tissues.

Since environmental toxins build up in the tissues of living things, they _________ in concentration through the food chain.

An example of environmental toxins affecting the environment is that DDT, an insecticide, weakened eagle _____ ______, causing the Bald Eagle to go on the ___________ species list. DDT is now banned, and Bald Eagles are making a __________.

Environmental toxins can cause biological ____________ (also mercury in tuna).

Environmental toxins release _________ and _______ compounds into the air, forming _______ _______ (from nitric and sulfuric avid).

Acid rain has caused the “_______ _______” in the Adirondacks (killed algae, destroying he food chain).

Acid rain causes damage to _______ over time (acid builds up in soil) and damage to _________ and ________.

One way people impact the environment is by burning ________ ______ (a non-renewable resource).

Examples of fossil fuels are _____, ______, and _________ (made from fossils).

Fossil fuels come from things such as _________ and _______.

Burning fossil fuels releases CO2 in the air (“__________ gas”).

Burning fossil fuels is also thought to cause ________ __________ (climate change).

Global warming includes the _________ of the polar icecaps, called global _________.

Global warming damages the ___________, causing a loss of __________.

One way people impact the environment is ozone ___________.

The __________ later (O3) in the atmosphere filters out harmful ____ radiation from sunlight.

CFC’s found in ___________ (from aerosols) and __________ (old refrigerators and air conditioners) are shown to ________ ________ ozone.

There is an ozone _____ over Antarctica and ___________ ozone layer, causing an ___________ in UV radiation at the surface.

Ozone depletion increases ______ _________ and damages _______ and ______ _______.

Biodiversity is the ______ types of plant and animal species in an ecosystem, creating a _______, ________ ecosystem.

The loss of biodiversity (lost species) can affect the health of the whole ecosystem by damaging ________ _______.