Ampicillin is a prescription penicillin-type antibiotic used to treat many different types of infections caused by bacteria, such as ear infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection.
 
        
                    
             
        
        
        
Answer:
i think it's A. why? because bumblebees pollinate flowers making more grow but dragonflies EAT the bees so they'll decrease.
 
        
             
        
        
        
Answer:
After constructing a prototype of the device, the student concludes that in many regions the monetary cost of building and installing the  device would be higher than the cost of acquiring water from other sources. Which of the following would be most appropriate for the  student to do next?
redesign the device without the solar panel so that it plugs into an electrical outlet
Explanation:
Because of cost implication, the device is redesigned in order to use other source rather than water which would be cost-effective and generally accepted for use.