Fact 1: High temperatures can cause an object to combust.

Fact 2: Combustion is a type of oxidation reaction.

Given the two facts above, answer the question "what can high temperatures cause?" with the following options: 
- Dehydration
 - hyperthyroidism
 - oxidation reaction
 - Plant growth is reduced
 - Greenhouse gases
 - hypothyroidism
 - global warming
 - contamination


 

   oxidation reaction      