State which of the following is not a gree/.bccovs+g3;oyj udn; )u8 hfnhouse gas.

  State the layer of the atmosphere in which clouds f +hesqdyb8xxa6 b6 57:hbv pp8:- xvs6fna j*norm.

  Figure: Levels of oxygen in Eare:w pb:3bx bar)4kca-th’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 i79 wol8do4 zacn the atmosphere as a gaseous form.owd798lzo4c a

State which element is not found in the atmosphere.

  Determine which of the following green-;ny u8 nh4kh c;q,uvcr oorobnx;a1 d7 8ky02house gases is correctly paired with its source8c r 21dxkunbon 4y78hou,q0yv;-or kn ;h;ca .

  State which is not true regarding greenhouse g6e7jtdd)sg sim 3k-*s6k1 tqi ases.

  List the main greenhouse gm vlme5j, 5(oiases.

  Identify the pie chart that most accurately represents tfg a/+aw,ful /he composition of the atmosphag,lfa+uf /w /ere.

  Determine which of the following sts: 4ilt:zv + ycx/hxz.atements is not true.

  Figure: Levels of oxygen in Earth’s atmosph 1ea)5gvbab+)lfxwbos do00/ ere

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 at./uqmz/imr; j.g;bgof6 q qs rt9ly*v-0cf. kmosphere

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

  Figure - Layers of t:i*jv+m qd *fe)ksz5jrhyrt1p ; 4fl.he 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 statement8 q8 .4hjmzbzns describes 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 cor8fa52o7p.e+pce et am rect approximate composition of the Atmosphere with respect +epteafe a5728o.cmp to the three main gasses shown:

  Identify which of the following is not grj/ar dfu;48true about atmospheric carbon dioxide levels over thrf;8 u jardg4/e 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 following surfaces would have the hkjs :m8zn) fq9qgek,:* o pc/wighest albedo.