Answer:
The answer is Covection.
Explanation:
Convection current occurs where hot / warm air rises and cold air drops and replace it.
 
        
                    
             
        
        
        
A. to increase food production
        
             
        
        
        
It goes into the bloodstream much faster than a pill would. Anaphylaxis can be deadly and the faster medicine is carried throughout the body, the less likely damage will ensue.
        
             
        
        
        
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.