Bacteria: They are in your intestines to break down food and produce vitamin k your body needs.
Protist: Plant-like protists produce almost one-half of the oxygen on the planet through photosynthesis.
Hope this helps in some way !
        
             
        
        
        
A.
Due to the star not being very massive, when it finally collapses in on itself, it will produce a neutron star, not a black hole.
        
             
        
        
        
I think the answer is <span>D) when evaluating a source for authority</span>
        
                    
             
        
        
        
I guess it is aluminium in cationic form
        
                    
             
        
        
        
The answer is D
The nitrogen bases adenine, thymine, cytosine and guanine code for the amino acid sequence in the protein