The answer for "What is petrified wood made of?" would be minerals.
        
             
        
        
        
Answer:
Groundwater flows from areas with a higher water table surface to areas with a lower water table. This mixture of carbonic acid in water makes most natural surface waters slightly acidic. As slightly acidic water infiltrates the ground to become part of the groundwater system it causes weathering of the rocks.
<em>Hope that helps! :)</em>
<em></em>
<em>-Aphrodite</em>
Explanation:
 
        
                    
             
        
        
        
Jet streams are bands of strong wind that generally blow from west to east all across the globe. They impact weather, air travel and many other things that take place in our atmosphere.