State which of the following is not a greenhouse a5jdy(4 sl3a4lap da (gas.

  State the layer of the atmosphere in whjjbt9-.m3n/a3n:bnhq vj mvpe 3 oa.7ich clouds form.

  Figure: Levels of oxygen in Earth’s a 7l2th:kjp /brtmosphere


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, inq5.ube ,: bgbocluding in the atmosphere as a gasbbg .buo,eq 5:eous form.

State which element is not found in the atmosphere.

  Determine which of the followinggg24)-n+un 9fnyoin* d v, xsl greenhouse gases is correctly paired with its sourc ,x 9s-+2yngdvf* 4nu) nionlge.

  State which is not true regarding greenhous5 ik9u72 c0uw+rw,2 oj aofytge gases.

  List the main greenhouse gase/t,qwmds) 9q ts.

  Identify the pie chart that most accurately represents the composition of the gg)x8 yish(w ,2px(mh atmosphmih wxgy(,8s)2(x p ghere.

  Determine which of the following statementwmk7x23a7o/kp r0n xh s is not true.

  Figure: Levels of oxygen in Earth’sac vjtj tr,*51hy3xl. 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 thn..:.9s*blz c* bzxuv9 dy pyqe atmosphere

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

  Figure - Layers of the atmosphery bjz,s-es(;uuq . )zxe

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 follow0 /ojjda taonr12 +,hjing statements describes the troposphere.
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 combinations reflects the correct approximaov 8j2*bdt i2 ur64zante composition of the Atmosphere with respect to the threevu atb4rn2i*doz 2j68 main gasses shown:

  Identify which of the following is not true about atmospheric carbon dioxide le2.2ad5b6 ymngpwcffl0q0thr, 9wod + vels over the last 4 billion 5b.rop,h2gl6a qw0d9f wt2mf 0n+cy dyears.

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 t+j ywvpxzx6vhls3 ) 4an1/(ythe highest albedo.