State which of the following is not a greenh4mph/o8+opq; . lgnxaouse gas.

  State the layer of the atmosphere in which clouds bc/oiu3ezad3yp; 0sj z:pk ve) u94 p8form.

  Figure: Levels of oxygen in Earth’s atmos k o6gea/f/(j pf.a-czphere


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 cb 6 avvv*xpfan0)-6c hycled in ecosystems, including in the atmosphere as a gaseous form. acv h0 v v)pa6xn-*6fb

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is c hwez-n)xi1e6e-u t g9)wh0nxp w96d oorrectly paired with its sourw wi) pexhn- t9u6) ew6eg1zoh-9 dxn0ce.

  State which is not true rega9v+m04ynhu lfrding greenhouse gases.

  List the main greenhouse g iih,0le3kg k*ases.

  Identify the pie chart that most accurap( va6pcnynuf:0t(b/1-gs y ytely represents the composition of the atmosphery /gb -6nnp0tfpy 1asvy(: (uce.

  Determine which of the following sts j q)(tnzw,ft95u4weatements is not true.

  Figure: Levels of oxygen in Earb7hh.:vmt qv h9e ,tx(th’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 t.* cu(d iokbz6oo(,vevkwh : *he atmosphere

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

  Figure - Layers of the atmosphere gh-a b4 6h,ty9 r,nzhp

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 thev7+ogi/34q t/epl )tq.tknai 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 com//8evgbx x-q ifiotlxb g(- /)binations reflects the correct approximate composition of the Atmosphere with respect to the three main gasse qx/ o-t/gix8b-xflg(/v be)is shown:

  Identify which of the following is not true aboumsu:y8g y5qu+0 h te0ut atmospheric carbon dioxide levels over the last 4 bilqymg: 0yueus 5h+ t0u8lion 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 tb 7ml14;7m l )cpfihwlhe highest albedo.