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| carcinogenic hydrocarbons | |||
| hydrocarbon A very large group of chemical compounds composed only of carbon and hydrogen; hydrocarbon | |||
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| hydrocarbons | |||
| oil | |||
| carbonhydrid: 57 phrases in 10 subjects |
| Chemistry | 24 |
| Coal | 1 |
| Earth sciences | 2 |
| Energy industry | 2 |
| Environment | 23 |
| Industry | 1 |
| Information technology | 1 |
| Natural sciences | 1 |
| Statistics | 1 |
| Transport | 1 |