Answer:
They emit steam and volcanic gases, such as sulfur dioxide and carbon dioxide. Fumaroles create pathways for rising heat, volcanic gas, and magma. Openings stemming down into the pool of magma. Cracks and fumaroles act like a window so scientists can get a glimpse of the gases inside volcanoes.
Explanation:
 
        
             
        
        
        
Hey there!
Your answer is:
There are alternate versions of a gene.
Hope this helps!
Have a great day! (:
        
                    
             
        
        
        
Just saying it says 8 points ya little baka
        
             
        
        
        
Answer:
By bonding with each other.
Explanation:
Larger macromolecules are formed from smaller macromolecules by making bonds with each other. carbohydrate is a macromolecule which is formed from glucose which is a micromolecule. Proteins is also a macromolecule composed from amino acids while lipid is also a macromolecule that are formed from fatty acids. These small micromolecules join together forming covalent bonds with each other.
 
        
                    
             
        
        
        
A) 12 chromosomes in a gamete
B) 46 chromosomes in prophase 1!