This test is run by .
Note that your final mark will not be saved in the system.
Note that your final mark will not be saved in the system.
Why is the biosphere so crucial to our well-being, and how do we modify it? (a) Wipeout
Target Level
4-5
Running Total
0
0%
For this question there
are 3 correct answers. For each correct answer you will score 1 mark.
Be careful, if you get one wrong you are wiped out!
Click on all of the photographs showing savanna grassland