State which of the following is not a greenhousjai 9/rd9 wra2e gas.

  State the layer of the atmosphere hjc t4yh)p*y(in which clouds form.

  Figure: Levels of oxygen incueget9625z z,pf jgf. gpok4 /+/kmj 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 ecosystem)s5z+jcwi6bu -h,c kvs, including in the atmosphere as a gaseous fo+i5z vc-cju6 wskh), brm.

State which element is not found in the atmosphere.

  Determine which of thun6jij7avh 7j +zo3ff9 nn-s.e following greenhouse gases is correctly paired with its soursj6h7zua 3-v jfi +o9n.nfj7 nce.

  State which is not true regarding grygt37-;svzzm g a-ay)eenhouse gases.

  List the main greenhouse gad7q)ujtr j f3b7( swovso5(:ases.

  Identify the pie chart that most accurately represents the composition of thewl 4q l 9bw7tfi:*.z+(xrwepe atm(94+il tr wf*7 pxqez.lew bw:osphere.

  Determine which of the following statements is not td2cf zr* 4tn *3jjcyn3rue.

  Figure: Levels of oxygen in Earth’s atmosphex7jrq3 s1.n 1 2(oa d1ddtmm02zqasgare

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 atmospher j 0j9sbmnp)mmce7z:/e

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

  Figure - Layers of the atmosphst,87)o xyjan /r1d+ywo;pxuere

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 trcr,j1b d.axt(oposphere.
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 follsf/ioh (dzpi;r3u*+ h owing combinations reflects the correct approximate composition of the Atmosh( u/;frho* diip s3z+phere with respect to the three main gasses shown:

  Identify which of thl ub g+pm+h4 g/98xd23dqip dqe following is not true about atmospheric carbon dioxide levels d pm8hdbp9q dqul2x+g3i +g4/over the last 4 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 surfaces would have the hbkq)y5m)xm opm k8jypcn i v*d+, ,6.iighest albedo.