Because the soil didn't have the same nutrients it has now due to lack of decomposition of other plants and animals.
        
             
        
        
        
Tundra
Tundra is a biome that is located in the coldest regions of the world. This is characterized by short growing seasons and low temperatures. The plants growing in these regions are short perennials.
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The atomic number of an element is the same as the number of protons in the nucleus of an atom
        
                    
             
        
        
        
Answer:
Bend and curve around the planet
Explanation:
 
        
                    
             
        
        
        
 Answer:
negative feedback 
Explanation:
The negative feedback system is the most common in the body, being considered by many authors the primary mechanism for the maintenance of homeostasis. It causes a negative change from the initial change, that is, a stimulus contrary to the one that led to the imbalance. In the case of the above question, when the ambient temperature increased, your body began to sweat to lower the temperature, that is, your body is trying to make a stimulus contrary to what is happening in the environment, so we can state that your body is going through a negative feedback system.