Everything Science Grade 11

CHAPTER 9. THE LITHOSPHERE 9.6 Iron in South Africa ESBCU The primary steel industry is an important partof the South African ec ...

9.7 CHAPTER 9. THE LITHOSPHERE 9.7 Mining and mineral processing: Phosphates ESBCV A phosphate is a salt of phosphoric acid (H 3 ...

CHAPTER 9. THE LITHOSPHERE 9.7 Refer to the productsin reactions A and B and write down TWO advantages of reaction B over react ...

9.8 CHAPTER 9. THE LITHOSPHERE Imagine that you were one of the villagersin this area. Write down three questions that you woul ...

CHAPTER 9. THE LITHOSPHERE 9.8 Strip mining is a form of surface mining that isused when the coal reserves are very shallow. The ...

9.8 CHAPTER 9. THE LITHOSPHERE The problem with coalhowever, is that it is a non-renewable resource which means that onceall the ...

CHAPTER 9. THE LITHOSPHERE 9.9 Exercise 9 - 5 The following advertisement appeared in a localpaper: ENERGY STARTS WITH SOUTH AFR ...

9.9 CHAPTER 9. THE LITHOSPHERE How oil is formed ESBDF Oil is formed in a verysimilar way to coal, except that the organic mater ...

CHAPTER 9. THE LITHOSPHERE 9.10 The environmental impacts of oil extraction and use ESBDI Some of the key environmental impacts ...

9.10 CHAPTER 9. THE LITHOSPHERE Biofuels In many parts of the world, ethanol is currentlybeing used as a substitute for crude p ...

CHAPTER 9. THE LITHOSPHERE 9.10 The lithosphere is the solid, outermostpart of our planet and contains many important metal ele ...

9.10 CHAPTER 9. THE LITHOSPHERE Coal can be removedfrom the ground using strip mining, open cast mining or underground mining. ...

CHAPTER 9. THE LITHOSPHERE 9.10 The left-over cyanide can be re-used, but is more often stored in a pond behind a dam or even du ...

The Atmosphere 10 Our Earth is truly an amazing planet! Not onlyis it exactly the right distance from the sun tohave temperature ...

CHAPTER 10. THE ATMOSPHERE 10.2 10.2 The structure of the atmosphere ESBDL The Earth’s atmosphereis divided into differentlayers ...

10.2 CHAPTER 10. THE ATMOSPHERE The word troposphere comes from the Greek tropos, meaning turning or mixing. The troposphere is ...

CHAPTER 10. THE ATMOSPHERE 10.2 The chlorine atom isthen free to attack moreozone molecules, and the process contin- ues. A sin ...

10.3 CHAPTER 10. THE ATMOSPHERE Complete the following summary table by providing the missing information for each layerin the ...

CHAPTER 10. THE ATMOSPHERE 10.3 gases, combined with surface heating and otherprocesses (e.g. conduction and convection) thatmai ...

10.3 CHAPTER 10. THE ATMOSPHERE Nitrous oxide (N 2 O) Nitrous oxide is emittedby agriculture and industry, and when fossil fuel ...