complicating words
koostisosa
composition
hüdrogeen
hingama
breathe
What do plants take in to produce oxygen?
sunlight and carbon dioxide
globaalne soojenemine
global warming
umbkaudu
approximately
What are primary sources of carbon dioxide CO2
people and animals
moodustama millestki
make up of
What do human beings and animals give off?
carbon dioxide
õhusaaste
air pollutions
elektrijaam
power station/plant
The main contributor to air pollution caused by vehicles/machines/cars that run on oil.
Carbon monoxide CO
mõõtma %s
measure in percentages
What is relative humidity
It is the amount of water in the air before it starts raining.
õhurõhk
air pressure
kivisüsi
coal
a colorless, odourless, tasteless gas to living organisms
oxygen
täitma õhuga
fill with air
What protects the Earth to keep it from getting too cold or too hot
Ozone layers
väikesed mikroorganismid
tiny microbial organisms
meteoriid
meteoroid
tasteless, odourless, and colourless gas that is the most plentiful element in Earth's atmosphere.
nitrogen N2
hõõruma vastu õhuosakesi
rub against air
What happens to meteroids when they travel through the layers?
They rub themselves against the air and burn into
small pieces
auto gaasiheide
car exhaust