Spirilla bacteria are Gram-negative bacteria that may cause bacterial diarrhea, adenocarcinoma and peptic ulcers.
        
             
        
        
        
Answer:
Electricity, gravity of earth and structure of atom provide evidence.
Explanation:
The investigation of electricity, gravity of earth and structure of atom helps the student to understand that without touching, one object apply force on another object. In electric current, we can see the property of magnetism due to which it attract and repel objects while in gravity of earth, the earth apply gravitational force to attract objects towards itself. in the structure of atom, proton present in the nucleus which attract the electron present in the shells.
 
        
                    
             
        
        
        
Answer:
They create models of genes, proteins, and traits. In sexual reproduction, each parent randomly passes on one of its two copies of each gene to its offspring. ... Each offspring can inherit a different combination of gene versions, so siblings can have different traits from each other and from their parents.
Explanation:
 
        
             
        
        
        
Answer:
Less than the effect of each drug added together.
Explanation:
 
        
             
        
        
        
Answer:
there is nothing under the question.
Explanation: