State which of the following is not a greenhouse gn mskfo,*kpl3o4 5k 7qas.

  State the layer of the atmosphere in whkr d( -7l)myj9 syquf,ich clouds form.

  Figure: Levels of oxygen w+88.lu:yor(h2 p/iurbx zcqin 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.

Calculate the difference between the maximum estimated oxygen concentration in the atmosphere and the current concentration.

  Nutrients are constantly cycled in ecosystems, including plu2aence va4kv25rn8f.mtg;2 xr 9 9in the atmosphere as a gaseous form.2e4u r9eakvf5pv cg9 n nxt8;2r.m2la

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is corpk 5c +gfn 0ym,rkiufi3 hzf1c-:./ jxrectly paired with its sourc 5 k/n :xfhrj,fk3z 0micu +cpgiy.1-fe.

  State which is not true regarding gretdcu5op v.koq 7v 6;y9enhouse gases.

  List the main greenhou-s pny 6dxg ab3+r/gcg.qx6ma8c1ss ( se gases.

  Identify the pie chart that most accurately ref 0fmd7ck c2u:presents the composition of the atmosphe:0fudf2m7 ckcre.

  Determine which of the foll50*huxc)y r mbowing statements is not true.

  Figure: Levels of oxygen in4t k3umdcqb+(n ru8 z, 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 atmoxtv/kwhc z 2n b tdba3jd3 axgfp+w507*f3;m7 sphere

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

  Figure - Layers of the (r( jk oc690pwb x *ulccqj,c-f(dp8vatmosphere

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 wfy0q9bswh;ah 7 k7p0b1w7bv 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 combinativwa) p h(:l*qgons reflects the correct approximate composition of the Atmosphere with respect to the three h ) vagpwq:l*(main gasses shown:

  Identify which of the following is not truend-2-d2w5zmbm vjm*k p:ycj 3 about atmospheric carbon dioxide levels my:w2mn*j -j -dcz mk35pd bv2over 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 fol5f, 8rf de-o+7 dm5fbf-qvrn n.ybe(vlowing surfaces would have the highest albedo.