State which of the following is not a greenhouse gas. p)d*3g xclu9w

  State the layer of the atmospc,x.b8q) aum ahere in which clouds form.

  Figure: Levels of oxygen in d9g1xlr, 1pcde6.-nk5 a mzvh 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 tb e6vq3e 7)1k:kl(zrhx4 khnk he atmosphere as a gaseous form. x3rkvkkhb) hn6q4ezek1:7 (l

State which element is not found in the atmosphere.

  Determine which of the following greenhouse gases is dsajh.1e 6nw5 correctly paired with its sou.j5 h6enwad 1srce.

  State which is not true regarding;og0 *wrk v2lg greenhouse gases.

  List the main greenhouse gasuf +2q1ve8lsii nx6qy. l )hf2es.

  Identify the pie chart that most accurately represents the composition of the a :pl 5*gzdqsk;i+xq t*xfrc gk )3gb(5tmx(*iz5 *grqqdp b;gk3+xtfl 5g k:c) sosphere.

  Determine which of the following statements l)s: 6ny ofr1bbyh .ilre)9+ois not true.

  Figure: Levels of oxygen in Earth’s atmosphb3w:oy pr;r32 xo lowenx;t50ere

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 atmossd e t;+td*:jtphere

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

  Figure - Layers of the atj6.u8eup jp*tl zd1n 9mosphere

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 troposphere. qnezul* l57 yiqp5r8 (
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 coudvok9fp4y buki mci z*oq6 751e0 ,3smbinations reflects the correct approximate composition of the Atmosphere wi 0iesu ucko4zodk9vf*761im yqb,3p5th respect to the three main gasses shown:

  Identify which of the following is noto3r 2-jpm ppm nb9y6(7tsq4ct true about atmospheric carbon dioxide levels over the lap9 pcr(4bpo3s y6 tjnmtm7 q2-st 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 theb tjj5k ap-szqq2d- 80) e tw;t*aw*yn following surfaces would have the highest albedo.