Any questions? mrwrightanswers@gmail.com
Map source
Now click the map and follow the instructions to step 8... you have 1 minute per step! At step 8, look at what you have made and think... WHAT HAVE YOU DONE?!
Here is an animation to help you understand.
2. Is the above system open or closed. Explain your answer.W
3. Work out the percentages for the figures on the diagram below, taking 2 789 424 as 100%.