The physical description of sulfur is hydrogen
        
             
        
        
        
I think so but im not positive 
hope it helps
        
             
        
        
        
There are three ways in which exogenous dna can be
introduced into a bacterial genome. These are; transduction, transformation and
conjugation. Transduction is the introduction of exogenous material into bacteria
by viruses; conjugation is exchange of genetic material between bacteria sexual
through  reproduction; while transformation
is uptake of exogenous dna by bacteria, from its surrounding, through the
bacterial membrane.  
 
        
             
        
        
        
Answer:
Algae is a primary producer
Explanation:
they use inorganic ions, co2, h2o and solar energy the complex organic molecules are produced. They release oxygen in this process. Algae, cyanobacteria and plants indirectly produce all food and all oxygen for all living organisms on our planet
 
        
             
        
        
        
They can be used for powering our cars and homes