Worksheetslife on earth
Total questions: 12
Worksheet time: 6mins
most abudant gas on earth is
oxygen
nitrogen
methane
argon
what is the correct sequence
troposphere-stratosphere-mesosphere-thermosphere
troposphere-mesosphere
mesosphere-troposphere-stratosphere
none of the above
what is the volume of nitrogen gas
14
78
21
1
which layer protect us from uv rays
thermospher
stratosphere
ozone
none of the above
smoke+fog
smoke
Naho
smog
fogg
the instrument used to measure pressure
milibaras
barometer
stethmeter
lactometer
what is the unit of air pressure
km.
cm.
milibars
pressurebar
pollution is also caused by;
farmer
civil
army
airport
rain is measure by an instrument called
barometer
anaemometer
lacto meter
rain guage
hot air travels from
low to high
low to bottom
low-low
none of the above
plant produces during photosynthesis
argon
carbon monoxide
H2SO4
oxygen
what is the normal air pressure in sea
1021
2017
1013
0485
