Answer:
False 
Explanation:
Ethyl alcohol is formed only during alcoholic fermentation and in lactic acid fermentation lactic acid is formed
 
        
                    
             
        
        
        
It is the stalk of the plant
        
                    
             
        
        
        
Answer: The organisms are different species, but belong to the same genus. 
Explanation: An organism’s scientific name is made up of two parts. The second name is the species name. 
 
        
             
        
        
        
Answer:
The correct answer is option B. favorable change in DNA of the insect.
Explanation:
At the point when a pesticide is first utilized, a little extent of the pest population may survive to introduction to the material because of their particular hereditary or genetic makeup. These surviving individuals pass along the gene resistance to particular insecticide or pesticide to next generation.
Upon introduction to pesticides, insects that don't have the resistance die eventually, in this manner permitting the insects with the resistance genes to endure and reproduce,creates more resistance insects.
Thus, the correct answer is option B. favorable change in DNA of the insect.
 
        
                    
             
        
        
        
Answer:
need to be done with plenty of observation to avoid infection. 
Explanation:
This technique is quite delicate because the main risk is infection. Some of the main risks are neuromuscular disease, sedation or neurological illness. 
Another risk is that by passing the time, there is a difficult in respiratory, in this case, the main risk is directly to the heart, with some stoke, due to the high concentration of carbon dioxide due to the low exchange among oxygen and CO2. 
Some of the indications are:
a.- Coarse crackles auscultated over trachea. 
b.- Increase the respiratory pressure. 
c.- Decrease tidal volume. 
d.- Check the levels of oxygen in blood as in arteries. 
e.- Check that patients can generate a cough. 
Hope this info is useful.