<span>c.) decrease in the overall world population </span>
        
             
        
        
        
Answer:
Crystal size
Explanation:
The most obvious difference between extrusive rocks and intrusive rocks is crystal size. Because extrusive rocks cool quickly, they only have time to form very small crystals such as basalt or none at all. On the other hand, intrusive rocks grow larger crystals because they take longer to cool.
 
        
             
        
        
        
Answer:
Deep within the Earth it is so hot that some rocks slowly melt and become a thick flowing substance called magma. Since it is lighter than the solid rock around it, magma rises and collects in magma chambers. Eventually, some of the magma pushes through vents and fissures to the Earth's surface.
Explanation:
 
        
                    
             
        
        
        
Answer:
in order for something to become a fossil it has to not decompose or be eaten
Explanation:
 
        
             
        
        
        
Answer:
d. human environment interaction.
Explanation:
Early settlers to California were looking for gold is an example of human environment interaction because people settles in an environment where resources are present in sufficient amount. People comes to settle in California because gold is present in large amount and we know that gold is very valuable material that is very important for the improvement of economy of a country as well as its people.