From Top to bottom: C, B, D, A. That's the correct matchups (:
        
                    
             
        
        
        
Green house effect is the trapping of heat by some gases ! mainly in our earth this is increasing due to CO2 !
        
                    
             
        
        
        
Answer:
B)Meteor showers are visible only in the northern hemisphere as the comets orbit over the Earth.
Explanation:
Meteor showers are visible only in the northern hemisphere as the comets orbit over the Earth. Stars and constellations appear throughout the sky, in both hemispheres. Meteors are visible everywhere, although some showers are more visible in certain parts of the night sky at specific times during the year.
 
        
             
        
        
        
Answer:
Agricultural Practices: Pumping from rivers and flood irrigation.
How the climate affects it: During summer, the climate is dry and hot. During the winter, it's cold. Therefore, the rivers could freeze, or evaporate
Explanation:
Agricultural Practices: In Syria, the main system of irrigation is pumping from rivers and flood irrigation. In these areas, several irrigated crops are cultivated, such as the strategic crops of cotton, wheat and sugar beet. The fruit trees and early vegetables are also planted as in the Syrian coast.
How the climate affects it: The climate in Syria is dry and hot in summer and cold in winter. ... The average maximum summer temperatures in inland areas vary between 33°C and 40°C, with peaks that sometimes exceed 45°C, while the average minimum winter temperatures are around 0°C.
 
        
             
        
        
        
Answer:
hope you like it
Explanation:
By creating high-paying jobs and providing the raw materials essential to every sector of our economy, minerals mining helps stimulate economic growth.  These domestic raw materials—along with recycled materials—were used to process mineral materials such as aluminum, copper, and steel worth $766 billion.