Sometimes, pollutants may come from natural sources like smoke and dust arising from forest fires or volcanic eruptions. Pollutants are also added to the atmosphere by certain human activities, like factories, power plants, automobile exhaust and burning of firewood and dung cakes .
1
4 reads
CURATED FROM
IDEAS CURATED BY
We can survive for sometime without food but we cannot survive even for a few minutes without air.
“
The idea is part of this collection:
Learn more about books with this collection
Proper running form
Tips for staying motivated
Importance of rest and recovery
Related collections
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Personalized microlearning
—
100+ Learning Journeys
—
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates