Answer: The answer is C:Ethylene glycol
The hazardous component in most antifreeze is ethylene glycol, which is extremely toxic to humans and animals.
Explanation: Ethylene glycol refers to chemical used in industrial manufacturing applications and commercial applications. They are also ingredient in products like automotive antifreeze and coolant. They are used as raw materials in producing products like polyester fibers for clothes, pillow, upholstery, carpet and so on. Ethylene is important in so many ways. One of which is that, it keep the car engine from freezing during winter and also reduces overheating during summer.