Because the climate determains the name and class of it. Say tundra. Its cold, gloomy snowy etc. Those are the characterists AND climate>
        
                    
             
        
        
        
Answer: it represents the different lives before us and how the head shaped changed over time. (To me it looks like different species of monkeys and or creatures leading up to humans head shape) 
Explanation: hope this is helpful :))
        
             
        
        
        
Cuando sientes como mariposas en él estomago
        
             
        
        
        
Answer:
IODINE TEST
Explanation:
This involves the addition of Lugol's iodine solution to a sample of the food to test for the presence of starch.