In Addition to a Hydrocarbon, What Substance Must Be Present

question 13

Multiple Choice

In addition to a hydrocarbon, what substance must be present in a combustion reaction?

• A)nitrogen
• B)carbon dioxide
• C)water
• D)oxygen
• E)all of the above

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Definitions:

Condoms

Barrier devices used during sexual intercourse to reduce the risk of sexually transmitted infections and prevent pregnancy.

Polyurethane

A synthetic resin used widely in industrial and consumer products, including foams, elastomers, coatings, and fibers, known for its durability and flexibility.

Sexually Transmitted Diseases

Infections transmitted through sexual contact, caused by bacteria, viruses, or parasites.

Oxytocin

A hormone and neurotransmitter often referred to as the "love hormone," involved in social bonding, reproduction, and childbirth.