State which of the following is not a greenhouse gaczsu 6as2jkx a:b8nci6) 9vnzvy0/ h.bi4 ed,s.

  State the layer of the atmosphnwz 4r ly:jo)3 * 4 lmyl5sz/-gi6kkqdere in which clouds form.

  Figure: Levels of oxyg8rgho:hweo ef 8,t; q+en 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.

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

  Nutrients are constantly cycled in ecorit8 g/m-.hpub *jx5lsystems, including in the atmosphere as a gaseous foh8i-lrg m5pjb .tu*x /rm.

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is coke*ds*q lig2w ( w1p6mrrectly paired with its source. g**216kmws eld(qwip

  State which is not true regarding greenhbwh,ujs2c q9: ouse gases.

  List the main greenhouse gas ,/avy lkr,8xies.

  Identify the pie chart that most :5k-p8fcnwhl 9k qy.maccurately represents the composition of the atmosphc9q:8mly 5hf kpw.kn-ere.

  Determine which of the following statements is not tc;-87siw e(xw wu/6ph2ck mtrrue.

  Figure: Levels of oxygen in Earth’s atmosp6ww 8w k)n wj54nai dmylk5i:7here

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 atmosq6s 38y ae*ugrphere

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

  Figure - Layers of the atmospherecbs+(, 4kzf etshw*wh+,5w qf

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 statement(fp z;ce;znftp )i g1-s 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 folr2xmj 5z:+c 3mikuhq7lowing combinations reflects the correct approximate composition of the Atmosphere with respect to the: mx5 qrkiuh+zcj372m three main gasses shown:

  Identify which of the following is not true about atmospheric carbon dioxide lev h 2pe fvciaae63.qrxu5v0( k1els over the last 41p2ueax5 v.v(ae0ckhqf63ir 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 -;j (bshklv7yru5ly3 the highest albedo.