Answer:
B
Particles and gases ejected from a large volcanic eruption can even block sunlight from reaching the ground, because of the density of the ashes. Hope it helps!
 
        
             
        
        
        
Explanation:
The aggregate demand curve is downward sloping. It implies price levels are falling and the quantity of output will increase as well as the domestic income. The theories that can explain why the aggregate demand curve is downward sloping: the Pigou's wealth effect, the Keynes's interest-rate effect, and the and Mundell-Fleming's exchange-rate effect.
 
        
             
        
        
        
Answer:
C. Explain ONE way in which the USA & USSR competed against each other during the Cold
War in the Post-World War Two period (c. 1945-present)