Smaller earth tremors that occur seconds to
weeks after a major earthquake event.
Rock beds that have been folded or bent
upwards to form a hill or mountain
The plastic (part solid, par
Feb 25, 2009
The location of a place that is expressed in
latitude and longitude.
It is the mixture of gases, mainly hydrogen
and oxygen, found above the earths surface.
Largest recognizable assemblage of animals and
plants on the Earth. The distribution of the biomes
is controlled mainly by climate.
Large roots above the surface to help support
large trees in shallow soil.
Environmental sustainability refers to the environmental actions or impacts of what we do. In moving
towards sustainability, we are attempting to reduce our ecological footprint or to tread more lightly on the
Resources and Environmental Sustainability Reflection
In the past the Earth was seen as an unlimited source of materials that humans
could use to survive. We have come to realize that the Earths natural resources are not
going to last forever. Sustainabil
The earth is facing a lot of environmental problems today and humans are the main cause of
these problems. In the search of comfort, humans begin to improve their lives without giving
attention to what their actio
What is global warming?
Global warming refers to the increase in the average
temperature of the atmosphere, oceans, and landmasses
Acid rain kills trees and aquatic life.
What causes global warming?
What is desertification?
Land degradation (soil erosion, waterlogging,
salinization, land use change) in arid, semi-arid and
dry sub-humid areas resulting from various factors,
including climatic variations
What is deforestation?
The clearing of forests across the Earth has been occurring
on a large scale basis for many centuries. This process,
known as deforestation, involves the cutting down,
burning, and damag
What is acid rain?
When sulfur dioxide (SO2) and oxides of nitrogen (NOx)
react with moisture in the air, they become sulfuric acid
and nitric acid, respectively. The sulfuric and nitric acids
pollute the rain (which
Depletion of Ozone Layer
DEPLETION OF OZONE LAYER
What is depletion of ozone layer?
Ozone depletion occurs when the natural balance between
the production and destruction of stratospheric ozone is
tipped in favour of destruction.
Weather and Climate
(1) Process of taking in and being made part of
an existing amount of matter.
(2) Interception of electromagnetic radiation or
Fog generated when winds flow over a surface
with a differen