State which of the follo5dkh w7:j80k oxipul ,yz1( xcwing is not a greenhouse gas.

  State the layer of the atmosphere in whi/ ldq5ua o7u 8b+-mcygch clouds form.

  Figure: Levels of oxygen in Ear/sfa 8py 6d7o: igb4dvth’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 ecosys;-bp l o;ix q.;ft0dudtems, including in the atmosphere as a d ti.- op;;0ulqx;b fdgaseous form.

State which element is not found in the atmosphere.

  Determine which of the followp-c(th9gqad* qt 9m2 qb hh8d1ing greenhouse gases is correctly paired with its source.a2d1hqgtqh8d*bt 9c9 mq (-hp

  State which is not true regarding green*j ji0xt)q y; o ts4l(bts5vx:p jn*q5e)mo)yhouse gases.

  List the main greenhvgau e69cwhea - z7v,jcx2,9 couse gases.

  Identify the pie chart that most accurately repcyd) h-ht/ q/5ct+x i*c.nmmwresents the composition of the attq +td/-.*hhcim cx)cywn/ 5mmosphere.

  Determine which of the following statd)lwb g h(k3x3 q2(xorements is not true.

  Figure: Levels of oxygen in Earth’s atmospherel r) gpvrqd2tzoh04 98hxk(l(wgm -)i

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 atmosujgr +affpwj-l(u+ r74 hxueg6oz5, (phere

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

  Figure - Layers of the al+w, *por8 ixmtmosphere

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 tropos;c3 3nsfhigdd ck+1a* phere.
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 apfb byy5s uo1zch /h7abb,l4lwu)i6.jm. o g/+proximate compos+/6u bz,l/o.bhacj5i f)sb .yyhbgomu71 4l wition of the Atmosphere with respect to the three main gasses shown:

  Identify which of the following is not true about atmospherixa t2o4z0p0jwb4owaj v ,/9yuc carbon dioxide levels over the last 4atw,0j0zuo v2/o9j4aby4p xw 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 higrq/g( ;e kjnr/hest albedo.