Answer: Snakes are reptiles 
Explanation: All reptiles are ectothermic (they obtain body heat from their environment). 
 
        
             
        
        
        
The Earth gets hotter as one travels towards the core, known as the geothermal gradient. The geothermal gradient is the amount that the Earth's temperature increases with depth. ... On average, the temperature increases by about 25°C for every kilometer of depth.
        
             
        
        
        
A bowler who always left the same 3 pins standing could be considered a C. Precise bowler as from bowling countless number of times he has observed the same amount of pins knocked down each time.