You are presented with the question "what effects everyone differently?" and the following answer choices: 
- density
 - cigarettes
 - Earth orbiting the Sun
 - gravity
 - thyroid hormones
 - force
 - Climate change
 - Temperature changing

Now knowing that thyroid hormones increase the rate of metabolism in cells throughout the body and everyone has a different metabolism, choose the best answer.


 

     thyroid hormones    