Answer:
Biofuels like fuel from microalgae are very costly as compared to fossil fuels.
Explanation:
The cost of biofuels is too high as compared to that of fossil fuel. For instance, 
the cost of 1 gallon of algal fuel is $32.81 per gallon while cost of diesel is $2.9 -3.2 per gallon. 
However, biofuels are very environment friendly as compared to that of fossil fuels. 
 
        
             
        
        
        
Answer:
where is this from?
Explanation:
i don't see answer choices?
 
        
             
        
        
        
Cellular resperation releases ATP energy by breaking down the bonds in glucose in the oxygen, energy is produced in order to add a phosphate group to ADP to form <span>ATP.</span>
        
                    
             
        
        
        
Viruses are the microorganisms who needs to infect the living host cells, in order to replicate or reproduce. These infectious agents are capable of injecting and infecting all the life forms present, including the plants, animals and bacteria. The viruses were not among the first organisms to evolve as in order to replicate themselves and continue through the time they needed other organisms' cell.
Hence, the correct answer is 'viruses have to infect a living cell in order to reproduce'.
 
        
                    
             
        
        
        
Im still here trying to earn all these points