1.5 The structure and composition of the atmosphere Flashcards
1
Q
Nitrogen
A
is a chemical element, a colorless, odorless gas that forms about 78% of the earth’s atmosphere.
2
Q
Oxygen
A
reactive gas, is the life-supporting component of the air.
3
Q
Carbon Dioxide
A
gas produced by a burning carbon and organic compounds and by respiration.
4
Q
Argon
A
a chemical element that is a gas found in air
5
Q
Water Vapour
A
gaseous phase of water
6
Q
Troposhere
A
lowest layer of the atmosphere
7
Q
Stratosphere
A
layer above the troposphere
8
Q
Mesosphere
A
highest layer of the atmosphere in which the gases are all mixed up rather than being layered by their mass
9
Q
Thermosphere
A
the layer above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium.
