You are presented with the question "What is it called when worldwide heat increases?" and the following answer choices: 
- global warming
 - threatened
 - acid rain
 - river pollution
 - climate
 - kinetic energy
 - global warmer
 - hyperthyroidism

Now knowing that global warming is when worldwide temperature increases and temperature Temperature is an measurement of the amount of heat, choose the best answer.


 

 global warming        