If a Reaction Occurs Very Rapidly Even at a Relatively

question 47

Multiple Choice

If a reaction occurs very rapidly even at a relatively low temperature, which of the following is true?

• A) The reaction is endothermic.
• B) The reaction is exothermic.
• C) The reaction has a low activation energy.
• D) The reaction must be a single-step reaction.

---

Definitions:

Biosphere

All Earth’s communities of living organisms and their physical environments.

Community

A group of interacting living organisms sharing a populated environment, often considered within ecological and social contexts.

Ecosystem

A dynamic complex of plant, animal, and microorganism communities and their non-living environment interacting as a functional unit.

Class

A taxonomic category made up of related orders.