State which of the following is not a greenhouse gas qqvd2k-cd g,b6m/sp 3 he7-xl.

  State the layer of the atmosphrhc2wi+ 1 l7kwere in which clouds form.

  Figure: Levels of oxygen in Er a;-h,z(cuxi oe1ee6arth’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 in the atmosphere ak76kohg( htb x:3akyh cc:)* ns a gaseousb :hh()o:7k3tnky c6c*ahxg k form.

State which element is not found in the atmosphere.

  Determine which of the following greenho(./h9i sjb6hq wbyfq7 asr1+huse gases is correctly paired with its source.r69qss hf hby.7hw1/ jaib+q(

  State which is not true regarding greenhouse gascb a3;oz tbe:*es.

  List the main greenhouse gasesgdl;v 7hv1 d.z*hzq59 r.jmzc.

  Identify the pie chart e1n x gmks- p2lhp(41gthat most accurately represents the composition of the atmosphere.h p4(n121p-slgxgk m e

  Determine which of the following statements is not trucg x0sa; tw,l7eau)6ye.

  Figure: Levels of oxygen in Earth’s atmosphe. v f0grv5.pm yw-/npore

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 the9; pho9czzi:k atmosphere

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

  Figure - Layers of t14-mt,dhmzkr f/bt p8b+ k 8dwhe 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 statements describes the trofex i,cv:i6+ fj c5q:rposphere.
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 approximate ui34 mhwm8c) *xed el(composition of the Atml3hee*c)8uimw (d xm4 osphere with respect to the three main gasses shown:

  Identify which of the following is not true about atmospheric ca mz(brd.) y.f4iv abq8rbon dioxide levels over the last .diyvb.fq m(ba)4z r8 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 following surfaces wouldx3y8(af qnjg 5 have the highest albedo.