Adding copper to oxygen to produce Copper(||) oxide
Explanation:
This is the only reaction where there were two distinct reactants and 1 distinct product. Noting was displaced. They were simply bonded together
        
             
        
        
        
Answer:
1.lunar 2.solar 3.earth 4.the moon 5.sun
 
        
                    
             
        
        
        
Answer:2 the lupine dependent butterflies would disappear.
If the spraying of pesticides will remove all the insects then there will be no insect that will pollinate the lupine flowers. So this will cause removal of lupine species from the environment. And the lupine dependent butterflies will not be able to release their egg on these specific flower and will also disappear from the environment. 
The removal of lupine flower from the environment will lead disappearing of these lupine dependent butterflies.