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11 questions
Sometimes you may have felt suffocation, why do you think so.
Water Pollution
Your lungs are broken
Air Pollution
Oxygen Pollution
What are the tiny mouths that lets the exchange in gasses
Mouth
Nose
Hydrilla
Stomata
Which of these can plants not absorb directly from the atmosphere.
oxygen
nitrogen
carbon dioxide
all of these
How many types of pollution are there?
2
4
5
6
What gas supports burning?
oxygen
nitrogen
helium
argon
How do plants get nitrogen from the air?
they do not
from their leaves
from their stomata
from their roots
What is the atmosphere
a thick blanket of air
a thin blanket of air
a mixture of gases
blanket
What causes acid rain
nitrogen oxide
sulfur dioxide
hydrogen
helium
What does this diagram refer to?
air occupies space
because of a thick blanket of air
air has weight
air exerts pressure
Are there any parts of the human body that get oxygen directly from the air and not from the blood?
lungs
eyes
mouth
ear
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