For $500,000...
| How much of the earth's land is desert or semi-desert? | |
| a) about 50% | b) about 40% |
| c) about 30% | d) about 20% |
Return to beginning |
|
For $500,000...
| How much of the earth's land is desert or semi-desert? | |
| a) about 50% | b) about 40% |
| c) about 30% | d) about 20% |
Return to beginning |
|