State which of the following is not a greenhousezsh.:8mhoc 2 w gas.

  State the layer of the atmosphere in which c7 jm3l 4,72loscee tholouds form.

  Figure: Levels of oxygen j/sl0f pz w5n6in Earth’s atmosphere


The Figure shows the maximum and minimum estimates for the oxygen concentration in Earth’s atmosphere since life began on our planet.

Calculate the difference between the maximum estimated oxygen concentration in the atmosphere and the current concentration.

  Nutrients are constantly cycled in ecosystems, including in the atmospher k7rc)4 bb)jmcq)1 sty3jeu-q e as a gaseous form.st ))kc13b-jemu7byr4jqq )c

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is correctly paired wi wd0 osu8vtl+ hcin865th its sour u6l8dc05swt8o +nihvce.

  State which is not true re2itwz*sd t/m s/ 21qq o/mu)negarding greenhouse gases.

  List the main greenhouse;j07iszpt8d+ 3z n 2eyr :mahy gases.

  Identify the pie chart that most accurately represents the0bo sey/kua zj: k-.y+/ -onlh composition of the atmosphez+0y. oe/hab o-klkn:y-/ us jre.

  Determine which of the followi+t5 , jzjn vkug:fgg*,ng statements is not true.

  Figure: Levels of oxygen in Earth’s y6qj*fm( - zct1b/o glatmosphere

The Figure shows the maximum and minimum estimates for the oxygen concentration in Earth’s atmosphere since life began on our planet.
Suggest possible lines of evidence for the data in this graph.

I.
Red iron oxide layers in ancient rocks, showing oxygen caused iron in the oceans to rust
II.
The composition of air bubbles trapped in salt crystals
III.
Models that predict how much oxygen was needed in the atmosphere to support fossilised organisms

  Figure - Layers of the atmolj:;wu/t; dj,w-j b kusphere

Using the figure, identify the altitude range and layer of the ozone layer.

  Figure - Layers of the atmosphere7lq6qmq6772xno 2 pugma)pt3wg )pgj

Use the figure to calculate the change in temperature as you go up from the Earth’s surface to the top of the troposphere.

  State which of the following statements describes the tro):gns3fs41gm 4 i8v5pujc bmn; uek h2posphere.
I.
It is the layer where most weather occurs.
II.
It goes from about 10km from the Earth’s surface to about 50km from the Earth's surface.
III.
It contains 50% of the air in the atmosphere.

  Identify which of the following combi u) lybj(ni:*h5gl9 nunations reflects the correct approximate composition of the Atmosphere *b:lujny un(9il)5 gh with respect to the three main gasses shown:

  Identify which of the following is not true about arfx+t/s.- ( wp,ievartmospheric carbon dioxide levels over the last 4 bive-iaxtp/ ws(.,r f+rllion years.

I.
They have fluctuated (moved up and down).
II.
They have been constantly increasing overall.
III.
They have never been higher than they are today.
IV.
They have influenced the temperature of the Earth.

  Determine which of the following surfaces would ebnv;w ej 7l;u18jox3bx)y 9uhave the highest albedo.