Answer:
The factor that affects the size of the crystals and the texture of the rock is the cooling rate of the molten rock or magma. If the magma cools rapidly, the crystal formed is very small. ... On the other hand, if the magma cools slowly, the crystal formed is large. This rock has a coarse-grained texture.
Explanation:
 
        
             
        
        
        
Answer:
so that whenever we get hurt or something happens our system can grow back like a scar.Everyday it is rebuilding new cells as well as it is always throwing away cells that don't work anymore
 
        
             
        
        
        
Answer:
10
Explanation:
according to newton's second law f=ma. so a= f/m. then a= 20/2 = 10
 
        
             
        
        
        
Answer:
plants need sunlight. (animals dont) 
BOTH, plants and animals need nutrients.
BOTH, plants and animals need oxygen. 
BOTH, plants and animals need a suitable temperature. 
Plants and animals need water.
BOTH need carbon dioxide