Answer:
The left side of the brain is responsible for controlling the right side of the body. It also performs tasks that have to do with logic, such as in science and mathematics.
Explanation:
Basically controls the opposite side of your brain and used for brain intensive tasks.
 
        
             
        
        
        
I think it’s a living host cell so sorry if I’m wrong yw if I’m right
        
             
        
        
        
Answer:
Option C
Explanation:
The null hypothesis is the problem statement and alternative hypothesis is counter of the null hypothesis. 
Hence, the null hypothesis here is the rate of extinction was neither higher nor lower when there were sudden climatic changes (asteroid strike)
And alternate hypothesis is "the rate of extinction was either higher or lower when there were sudden climatic changes (asteroid strike)"
Hence, option C is correct
 
        
             
        
        
        
Answer:
Cellulose
Explanation:
trunk is the main axis of a tree that supports the branches and is supported by roots. Cellulose makes it sturdy. Cellulose is the main substance in the walls of plant cells, helping them to remain stiff and upright.