not harmful
to the ozone layer; using substances that do not produce gases harmful to the ozone layeran ozone-friendly refrigerator.
What is ozone in simple words?
Ozone Definition. Ozone is a
colorless, odorless reactive gas
comprised of three oxygen atoms. It is found naturally in the earth’s stratosphere, where it absorbs the ultraviolet component of incoming solar radiation that could be harmful to life on earth.
What are ozone-friendly products?
ozone-friendly | Business English
used to describe
a product that does not produce gases that are harmful to the ozone layer
: We now use only ozone-friendly packaging.
What products cause ozone depletion?
- CFCs and HCFCs in refrigerators and air conditioners,
- HCFCs and halons in fire extinguishers,
- CFCs and HCFCs in foam,
- CFCs and HCFCs as aerosol propellants, and.
- methyl bromide for fumigation of soil, structures and goods to be imported or exported.
How do CFCs pollute the environment?
Chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and halons
destroy the earth’s protective ozone layer
, which shields the earth from harmful ultraviolet (UV-B) rays generated from the sun. CFCs and HCFCs also warm the lower atmosphere of the earth, changing global climate.
How ozone is created?
Stratospheric ozone is formed
naturally through the interaction of solar ultraviolet (UV) radiation with molecular oxygen (O2)
. The “ozone layer,” approximately 6 through 30 miles above the Earth’s surface, reduces the amount of harmful UV radiation reaching the Earth’s surface.
What does ozone smell like?
Here are some of the ways the smell of ozone is described:
Like a burning wire
.
Like chlorine
.
A “clean” smell
.
Sweet and pungent
.
What is an example of ozone?
An example of ozone is
a gas used to purify water
. An unstable, poisonous allotrope of oxygen, O
3
, that is formed naturally in the ozone layer from atmospheric oxygen by electric discharge or exposure to ultraviolet radiation, also produced in the lower atmosphere by the photochemical reaction of certain pollutants.
How do humans destroy the ozone layer?
Human activities cause
the emission of halogen source gases that contain chlorine and bromine atoms
. These emissions into the atmosphere ultimately lead to stratospheric ozone depletion. The source gases that con- tain only carbon, chlorine, and fluorine are called “chlo- rofluorocarbons,” usually abbreviated as CFCs.
What are the causes and effects of ozone depletion?
The main effect of ozone depletion is an increase in UV-B rays reaching the earth’s surface. Causes :
chlorofluorocarbon (CFCs), halons, and other compounds deplete the ozone layer
. These chemicals are found in cleaning agents, aerosols, insulating foam, and refrigerants.
What are the effects of ozone depletion?
Ozone layer depletion causes
increased UV radiation levels
at the Earth’s surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.
Which is responsible for global warming?
Global warming is an aspect of climate change, referring to the long-term rise of the planet’s temperatures. It is caused by
increased concentrations of greenhouse gases in the atmosphere
, mainly from human activities such as burning fossil fuels, and farming.
Which gas is responsible for global warming?
Global Warming Potential (100-year): 1
Carbon dioxide (CO
2
)
is the primary greenhouse gas emitted through human activities.
Are CFCs still used?
Production of
CFCs ceased in 1995
. HCFC production will cease in 2020 (HCFC-22) or 2030 (HCFC-123). This means that although equipment that uses these refrigerants may operate just fine for 20 or 30 years, new or recycled refrigerant to service it may not be available. Don’t buy equipment that uses CFC refrigerants.
Is ozone safe to breathe?
When inhaled,
ozone can damage the lungs
. Relatively low amounts can cause chest pain, coughing, shortness of breath and throat irritation. Ozone may also worsen chronic respiratory diseases such as asthma and compromise the ability of the body to fight respiratory infections.
Where is ozone found?
The ozone layer is the common term for the high concentration of ozone that is found in
the stratosphere around 15–30km above the earth’s surface
. It covers the entire planet and protects life on earth by absorbing harmful ultraviolet-B (UV-B) radiation from the sun.
