Answer:
Explanation:
I hope this is what your looking for but I hope it helps in a way!!!!
The majority of electricity is generated at a power station by electromechanical generators, primarily driven by heat engines fueled by combustion or nuclear fission but also by other means such as the kinetic energy of flowing water and wind.
Using Natural predators to reduce insect numbers caused the least harm to the environment.
Answer:
its a alteration i would go with B
Explanation: