State which of the following is not a gree t.u.sbvgft8. nhouse gas.

  State the layer of the atmosphere in wh6f v) r/ijs*y)s:;w 6c5j4c forjfwhtich clouds form.

  Figure: Levels of oxygen in Earth’s atmu 81a4nz9 vvqn1au*lvosphere


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 at 3 -fm9cokmv4*t pubf(mosphere as a gaseous mmv3*c4t 9 pub fok(-fform.

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is correctly paired wibzpxu7 k7 at(7*q czu0th its sou7qktz pc7xu0ubaz* (7rce.

  State which is not true regarding greenhouse kdxsmmgz+cdm*;qz.7 s +g.d,1k3xm s gases.

  List the main greenh6sayx j;dt7+ couse gases.

  Identify the pie chart that most accurately represents the compedb etsk7y6; 1 qi -:5-miy foehrb2w.osition of the atmo27-e 5.dmyb-bhkw1f; 6 r:esqtey oiisphere.

  Determine which of the followin ,)jd7iv8th tsg statements is not true.

  Figure: Levels of oxygen in Earth’s atmosphere*kk:mg: s n4l.*agv qs

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 thfw b1b /m, qwet kt2mqn8q932n)korb-e atmosphere

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

  Figure - Layers of the rm uix7yov/2ya759 izlifg-3 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 follr ,rfem*(3jax.hh*x2mmo5; ahxe m7x owing statements 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 re2pw 0ck 3l68p)si p9nnl aqi-qflects the correct approximate composition of the Atmospin6 q0 38pwi kp2pl)-ns l9qcahere with respect to the three main gasses shown:

  Identify which of the following is not true about atmospheric carbon:c n 1yex0j yw. 3vg*9e2jzuho dioxide levels over the last 4 billio:z. e*3juw0n9vy 2yh g xjc1eon 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 followinh0s-dtwq sf:1a5r3+81r yfl 4pek xewg surfaces would have the highest albedo.