During anaphase, the sister chromatids are separated and pulled apart
 
        
                    
             
        
        
        
Because they play important roles in the environment, take the food chain for example. animals continuously convert energy all the way up until a human eats. also, decomposers are important too because the return nutrients to the ground, like mushroom, fungi, and bacteria
        
             
        
        
        
The right answer is B.
Cholera vaccination is only recommended for staff who have to intervene with patients in an epidemic situation. In all other cases, effective prevention is provided by good personal hygiene (washing hands) and food.
It is also important to know that this vaccine does not protect permanently: It protects only about 90% within 6 months, then to 50% within 3 years.
 
        
             
        
        
        
Answer:
B
Explanation:
Igneous rocks are formed by the solidification of magma or lava.