Which of the following chemicals cause depletion of the ozone layer?
Which of the following chemicals cause depletion of the ozone layer?
CFCs have destructive effects on the ozone layer.
What reduces the concentration of ozone gas in the atmosphere?
Increased levels of human-produced gases such as CFCs (chlorofluorocarbons) have led to increased rates of ozone destruction, upsetting the natural balance of ozone and leading to reduced stratospheric ozone levels.
Why does Sea air make you feel sleepy?
And getting a lungful at the beach will help you to sleep better. This is because sea air is full of negative hydrogen ions, charged particles abundant in sea spray and concentrated in fresh air, which improve our ability to absorb oxygen by neutralising damaging free radicals (positive ions).
Why is sea air different?
The reason sea air is so healthy is that it contains tiny droplets of sea water enriched with salt, iodine, magnesium and trace elements, which are scattered into the air by wind and waves.
What is the best climate for COPD?
“The best climate to live in with COPD would be an area that avoids temperature extremes. Try to find an area that is cool, dry, with low humidity, and that has good medical resources and care for COPD.”
Is mountain air good for lungs?
‘Fresh’ mountain air is possibly not always as healthy for the lungs as assumed: research has found that COPD cases occur more frequently in areas of high altitude when compared with areas of low altitude in rural Kyrgyzstan, according to new findings.
Is sea air bad for asthma?
It’s not just the promise of relaxation that makes that sea breeze smell so good. The iodine, salt, and magnesium present in sea air can reduce the symptoms of asthma, promote respiratory health, improve allergies and skin problems, and stimulate the immune system.
What is the best climate for asthma?
According to a small study in the American Journal of Respiratory and Critical Care Medicine , a room temperature of 68 to 71°F (20 to 21.6°C) is ideal for people with asthma. This temperature isn’t too hot or cold, so it won’t irritate the airways.
Is Cold air bad for asthma?
Cold, dry air is a common asthma trigger and can cause bad flare-ups. That’s especially true for people who play winter sports and have exercise-induced asthma. Hot, humid air also can be a problem.
Does asthma worsen with age?
Act quickly if symptoms get worse As we get older, asthma attacks can be more severe and take longer to recover from. Talk through your asthma action plan with your GP or asthma nurse so you know exactly what you need to do and who you need to call when symptoms flare up.
Does asthma shorten your life?
The good news is that, for the most part, a person with asthma can have a life expectancy as long as someone without asthma. However, studies have identified three risk factors that lead to a shorter lifespan with asthma: smoking, the presence of irritants, and lifestyle choices.