A base is a substance that accepts hydrogen ions. When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions shifts the opposite way.
I don’t know if this is what your looking for or not
        
             
        
        
        
Body waves can travel through the earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water. Earthquakes radiate seismic energy as both body and surface waves. ... The P wave can move through solid rock and fluids, like water or the liquid layers of the earth.
        
             
        
        
        
Some of the best evidence for the theory of plate tectonic are earthquakes, plants that are in different continents across the ocean,or mountains. Some of the best evidence for the theory of plate tectonic are earthquakes, plants that are in different continents across the ocean,or mountains.
        
                    
             
        
        
        
I think it’s a. 12 
Explanation:if it’s wrong kill me
 
“Tell me if I’m right”
 
        
             
        
        
        
(True)-After one week, seedling height was taken as a measure of plant growth.