Relative dating is used to arrange geological events, and the rocks they leave behind, in a sequence. The method of reading the order is called stratigraphy (layers of rock are called strata). Relative dating does not provide actual numerical dates for the rocks.
        
             
        
        
        
For example driving cars, they release nitrogen and sulfur in the water vapor. This causes the water vapor to be more acidic. So then When the precipitation falls back to the Earth it comes down as acid rain. 
        
             
        
        
        
Answer:
Centripetal force is perpendicular to the velocity of the satellite. 
Explanation:
because there is no friction or wind resistance, the speed of the satellite remains the same
 
        
                    
             
        
        
        
Answer:
No hablo español, así que pido disculpas por cualquier error.
  La teoría de la panspermia, que sugiere que la vida en la Tierra no se originó en nuestro planeta, sino que fue transportada aquí desde otro lugar del universo.