Your answer is true my friend.Good luck
        
             
        
        
        
B oxygen because they need it to survive
        
             
        
        
        
Answer:
ions, glucose and amino acids i think
don't get mad
Explanation:
 
        
             
        
        
        
June 21st  represents the sun in the sky at noon for the northern hemisphere.
Explanation:
The summer is hotter because the sun's part is higher in the sky. This reason makes the days longer and makes summer sun more intense.
The summer solstice for northern hemisphere occurs in june 21. On this day the sun's position at noon is higher in altitude of the year.
In the summer season , The north pole is tilted towards the sun and this causes the sun's part to be higher in the sky causing the northern hemisphere to receive more light and heat.
 
        
             
        
        
        
I have always heard them referred to as "pathogenic" but I believe the answer is pathologic