Answer:

Explanation:
The hydrocarbon shown has a double bond. Hydrocarbons with double bonds are known as alkenes.
Cyclic alkanes have cyclic structure.
Alkanes only have single bonds.
Alkynes have triple bonds.
Answer:
The largest anthropogenic source of CO in the United States is vehicle emissions.
Explanation:
Answer:
It would be nothing. Quite literally nothing. No Oxygen, no dirt, no anything.
Explanation: