State which of the following is not a greenhouse ,uzotj ikc4yjv 4*+ gs *7r3atgas.

  State the layer of the ata+eh4p xu 8iv5mosphere in which clouds form.

  Figure: Levels of oxygen qhdk3dit; /5oin 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 in the atmoxqaob2cv3d s71,; elqsphere as a g7ade 1bv2l, xqoqc;s 3aseous form.

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is correctly riclc/ fw+8)z obe:2 ax c,y*dpaired with its source.e+br2 *c)fczil: ca 8od y,/xw

  State which is not true regarding greenho.82 w7u gimudluse gases.

  List the main greenhouse gash75n3,ksbc, )nw.xd1:eg z olo;npp u8 )rfyves.

  Identify the pie chart that most accurately represe6k-fdtu/zbyy,cln8+qvuz, -o6e 1bs nts the composition of the atmosphere. zq 6bd f6/ 1nuyyv-8bteusz+ko-l, c,

  Determine which of the following statements isk vzcpva: 1fk7421gql8tmv 9ih j51ff not true.

  Figure: Levels of oxygen in Ee7c i,yvq 5 +-fy)oyhjarth’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 atmz0t6m vbq4uou 6s0,rr osphere

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

  Figure - Layers of the atmo net 1xz4 *ej(cql4ug 9g7sdm jm)3x 808tiwzjsphere

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 5sua/; gqr rk6n/ j2f+qbxc(u 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 the co8s81ea4ub0y1or 1ohcm e b5 slrrect approximate composition of the Atmosphere witeu01o1ocyab8 8l5b4sh1 ser m h respect to the three main gasses shown:

  Identify which of the following is not true about atmospheric carbon di:u7 8u) fr wvb8sn4ou/)on suzoxide levels ovznv/unsr7 ))w8f8o:b s4uuouer 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 5 jbn+utd23sic2y4af z gx j5.following surfaces would have the highest albedo.