Fact 1: Heating an egg causes a chemical reaction in the egg.

Fact 2: Insects hatch from eggs.

Given the two facts above, answer the question "heat causes" with the following options: 
- heating liquids
 - energy of moving objects
 - global warming
 - insects to hatch
 - sweating
 - electricity
 - Greenhouse gases
 - kinetic energy


 

    insects to hatch     