Plates at our planet's surface move because of the intense heat in the earth's core that causes molten rock in the mantel layer to move.It moves in a pattern called a convection cell forms when warm material rises,cools,and eventually sink down.
 
        
             
        
        
        
Third trimester.  It doubles in mass at this time and continues to still grow and mature
        
             
        
        
        
Protozoa (unicellular eukarotic organisms) typically reproduces asexually, but sometimes it reproduces sexually, too. 
When it reproduces sexually it typically reproduces by conjugation of two mature cells  - which means that neither of the cells is "male" or "female"
        
                    
             
        
        
        
The correct answer is option D
The places that has most extreme temperatures are desert and tundra. 
The Desert region is known for its hot and dry climatic conditions. The temperature there is very high all around the year and the surviving there is a very difficult task. The plants and animals living there has some adaptations that helps them to live in the hot climate.
The Tundra region is known for its cold climate and the plants there is shrubs, herbs and the animals have some adaptations that helps them to live in cold climate.
 
        
                    
             
        
        
        
Answer:
I would select 
A and C
Explanation:
Biotic factors are those of which are living