You are presented with the question "what can kill an organism?" and the following answer choices: 
- water
 - direct sunlight
 - hyperthyroidism
 - influenza
 - magnets
 - wind
 - Pollution
 - Pesticides

Now knowing that intense heat has a negative impact on an organism and direct sunlight, heat and some disinfectants kill the organism, choose the best answer.


 

  direct sunlight       