Answer: Coronal Mass ejection-geomagnetic storm
Geomagnetic storm-aurora 
Explanation:
I just took the test 
 
        
                    
             
        
        
        
Answer:
grass
Explanation:
 grass produces the main source of energy for the food chain
 
        
             
        
        
        
Answer:
A qualitative observation involves the use of five sensory organs, sight, smell, taste, touch, and hearing, and their function to examine the attributes. Being subjective in nature, it focuses on the characteristics and qualities of the variables rather than the numerical value.
Explanation:
mark as a brainliest answer if it helps you
 
        
                    
             
        
        
        
From a modern genetic perspective, this is defined as evolution. 
        
             
        
        
        
Salcâmul ,,trăieşte,, în jur de 100 de ani.
Baftă!