Explanation: Fritz Miescher was a Swiss physician. He reported discovering the DNA molecule in the cell's nucleus in 1868. This created speculation that the DNA might have something to do with genetics
 
        
             
        
        
        
In 2Ba(OH)2...
Ba = 2
O = 4
H = 4
        
             
        
        
        
<h3><u>Answer:</u></h3><h3><u>Answer:Food chain is defined as the process of energy transfer from producer by a series of organisms with repeated eating or being eaten. </u></h3><h3><u>Answer:Food chain is defined as the process of energy transfer from producer by a series of organisms with repeated eating or being eaten. Food web is defined as the interconnected network of food chains at various trophic levels. Unlike food chains, food webs are never straight</u></h3>
        
                    
             
        
        
        
Through a cut or an injury where any skin has been broken.
An infection through an animal's bite or sting.(Like the West Nile Virus which spreads though mosquito bite, or Rabies though an infected mammal's bite).
Can be inhaled or consumed and go from the lungs into the other organs causing harm internally.
   
        
             
        
        
        
Answer:Francesco Redi was against the theory of spontaneous generation. His intent for performing this experiment was to disprove the theory. He took six jars and filled them with decaying meat. He left three of these jars open and sealed the other three.
Explanation: