There Are 4 Valence Electrons So do the one with 4 valence electrons
Answer:
How do insects become resistant to pesticide? ... Upon exposure to insecticides, insects that do not carry the resistance genes die, thus allowing the individuals with the resistance genes to survive and reproduce, creating more resistant insects. With every generation the number of resistant insects increase.
I believe the answer is : deoxyribose
hope this helps !
Explanation:
Density dependent could limit the corona virus