State which of the following0hipg)olpw)6 ,- : f62 ml9vsrcnt ajf is not a greenhouse gas.

  State the layer of the atmosphere in whip0cy;brwu0; mx8w su;ch clouds form.

  Figure: Levels of oxygen in Eai , z, l5guy50mt zgsi4bn,y4drth’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 rv m b3gx6a3vq62vi8zecosystems, including in the atmosphere as a gaseous f3vg 6iz 2mb3v86av xqrorm.

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gagoh m /pb/6nkgc.o( +cses is correctly paired with its soug/h / .o c(cb+k6pnmogrce.

  State which is not true regardihf e0)zwu u)5e6s oalk+ ;4ctfng greenhouse gases.

  List the main greenhouse gases.lldl3 j3h3pf9

  Identify the pie chart that most accurately represents th my81pat.yq4s vu2f n;e composition of the atmosphep yqf.uanv 14s8;m 2tyre.

  Determine which of the following stat uxwxjx8;u ww+n/z6x-t7 z0ka ements is not true.

  Figure: Levels of oxyge bg;x jnnx4ebzpfn ;*9)n:d,bn in 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.
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 a epbob9x2 si1g6 1ch;ttmosphere

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

  Figure - Layers of the atmospheremku3qc7+0 w.plegmp5md45l yj65t vo

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 troposph- .hralt6q;owjt ms pd338ms 6ere.
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 theitpsbsi-0qf0hmw ,-go 0/2p*ckw j z 7 following combinations reflects the correct approximate composition of the Atmosphere with respect to the three main gtmcbg 2*0jw-z0f,i 7wpishos/kp0q- asses shown:

  Identify which of the following is not true about atmosj3kmk 92u-n j+s/ bwwypheric carbon dioxide lev jwb3k9my +w/-kj2usnels 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 1 ts+j ia s;kv7fk1x qw5 akb5:hs8kw;-cv.zgfollowing surfaces would have the highest albedo.