| Endangered
species are species the population of which has
decreased to the point that the species is on
the verge of extinction.
Threatened
species are at risk of becoming endangered.
Protected
species include raptors, songbirds and many shorebirds.
Wetlands
are areas where water covers the soil, or is present
either at or near the surface of the soil all
year or for varying times during the year.
Composting
is the mixing of leaves, grass clippings, table
scraps and soil and allowing them to decompose
into mulch.
Conservation
is the careful guarding of natural resources,
such as air, water, soil and wildlife.
Preserves
are areas of land restricted for the protection
and preservation of natural resources such as
animals or trees.
Earth
is the planet on which we live that is third in
order from the sun.
Erosion
is the action or process of grinding down or wearing
away by the action of water, wind or glacial ice.
Waste
is often used to describe trash or garbage. To
waste something is to use, consume, spend, or
expend thoughtlessly or carelessly. |
Pollution
is the act or process of polluting or the state
of being polluted, especially the contamination
of soil, water or the atmosphere by the discharge
of harmful substances.
Land is
the surface of the earth and all its natural resources.
Air is the
mixture of invisible, odorless and tasteless gases
(such as nitrogen and oxygen) that surrounds the
earth.
Water is
the liquid that descends from the clouds as rain,
forms streams, lakes and seas, and is a major
constituent of all living matter and that when
pure is an odorless, tasteless, very slightly
compressible liquid.
Reduce is
to narrow down or to diminish in size, amount,
extent, or number.
Reuse is
to use again.
Recycle
means to pass again through a series of changes
or treatments to make ready for use once again.
Ecology
is a branch of science concerned with the pattern
of relations between organisms and their environment.
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