State which of the following is not a greenhouse g7h2 . e)1yobqfk*a rdeas.

  State the layer of the 7 bb iz o0o0w1wa,o.jiatmosphere in which clouds form.

  Figure: Levels of oxygen in E9cp+rfy1v7k-eqj2 ka+/m g lo arth’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 ecosystems4 ,0)zacfzk9yd mvvd2 , including in the atmosphere as a 0 ,v)vzcmfa y49zdd2kgaseous form.

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is corrz +6pvf jr -pt89a39 fdvs.eyxectly paired with its sourcead-r9yx9 v38 jf+ztp6fvp. es.

  State which is not tvzce)m,06h hsq7 m6jprue regarding greenhouse gases.

  List the main greenh dagj:ph8 t5sc13y:pbouse gases.

  Identify the pie chart that mo o tho9m(s-ckf7s(:7vdib 1x xst accurately represents the composition of the atmo x9mfbtsv :o1(x7d- ih7kc(sosphere.

  Determine which of the followinjo-zch g*+a ;gg statements is not true.

  Figure: Levels of oxygen in Earth’s atmosphgtd a-fk..c9 uere

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 atl4bg7noj2q (g6 xste7u4j-igmosphere

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

  Figure - Layers of the +wqwcow6 w+u4qrqh0; atmosphere

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 stav) c+ 9:k0lu) ecxiadttements 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 tuqr;- qh 8 *jr.qu,hmqm2n 8,eplnh3 xhe correct approximate composition of the Atmosphere with r3 ;hm,e8-u u2.hpqqlnrh,x j mqnq8*r espect to the three main gasses shown:

  Identify which of the following is not true about atmospheric carbfxbz2oc kwgk*5,. o7:kvzmg. on dioxide levels over the last 4 billion k.z*2b7fmo v.wc kg 5,gz:koxyears.

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 surfaceswvc;)8,hj ssh would have the highest albedo.