State which of the following is not a greenhouse zml;rz t*4tn3gas.

  State the layer of the atmosphere in whic *e- /7kfaxcq s.nva-th clouds form.

  Figure: Levels of oxygen in Earth’s atmosphere h f.7)sc ce+gx


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 me7cj cl)j/w2pab7 9acycled in ecosystems, including in the atmosphere as a gaseous cw79 ejajm )27 lpb/acform.

State which element is not found in the atmosphere.

  Determine which of the follosbs0db/ n1krt1 cb+a :wing greenhouse gases is correctly paired with its source/1csr+ans d b0k:bt b1.

  State which is not true regarding greenuko1by3d1j1oab 0 z0js);jmnhouse gases.

  List the main greenhouse o o09 xaud82 1gj)u z4gd1ls/wsr6b wugases.

  Identify the pie chart that most a 3mu8mh9cswf1 ccurately represents the composition of the atmosphe19hf3 mm 8uswcre.

  Determine which of the following statements is not tr lk c23znyysa+0 *- ko;uwtcn3ue.

  Figure: Levels of oxygen in Earth4jm/ cq 7owh6e qq42io’s atmosphere

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 thnv )fx-6 y:toqmsmc, 6e atmosphere

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

  Figure - Layers of the atms( b0 ee912pl;tcnp. evfi a0oosphere

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 troposphere.) nh)ppdq 4n i6kvwx9gz8kq iv77sh; 8
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 combinatifuhvy+j k1t;gmbw y:86 ndl/3ons reflects the correct approximate composition of the Atmosphere with respec;/+:yt6bhv1kluy wjm3g nd 8ft to the three main gasses shown:

  Identify which of the following i gs :a(gtmop2nz;zzsj.z n1(ld2bw2(s not true about atmospheric carbon dioxide levels over the last (nwtagzzp (:2 . z2 jdzo1(sn;gm2bsl4 billion 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 suis g1h xd,9ga03h ka8hrfaces would have the highest albedo.