| Hint | Answer | % Correct |
|---|---|---|
| 2.6 bil* | Iron | 100%
|
| 21 mil | Copper | 97%
|
| 68 mil** | Aluminum | 91%
|
| 300k | Tin | 74%
|
| 2.7 mil | Nickel | 69%
|
| 4.3 mil | Lead | 60%
|
| 106k | Lithium | 60%
|
| 170k | Cobalt | 57%
|
| 13 mil | Zinc | 57%
|
| 79k | Tungsten | 54%
|
| 20 mil | Manganese | 51%
|
| 950k** | Magnesium | 49%
|
| 41 mil | Chromium | 46%
|
| 9 mil | Titanium | 46%
|
| 48k | Uranium | 46%
|
| 110k | Vanadium | 40%
|
| 1.2 mil | Zirconium | 23%
|
| 300k | Molybdenum | 20%
|
| 75k | Niobium | 11%
|
| 360k | Strontium | 0%
|