Answer:
Ions are an atom or group of atoms that either has a positive or negative charge. An ion with a negative charge is called an anion and one with a positive charge is a cation.
Hope this helps :)
 
        
                    
             
        
        
        
Answer:
Alright.
Explanation:
Salary per Week: $4,800 (assuming they work 5 days a week and make $40 per hour)
Salary per Month: $29,760 (assuming they work 5 days for a solid month)
Salary per Year: $67,300 - $130,330
 
        
             
        
        
        
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.