The answer is C, Photosynthesis because it’s an non human activity, it’s energy from the sun
Because many animals and situations include an animal that has been poisoned by maybe eating the wrong thing and if you don’t know how to treat toxicology many animals could die
The main disadvantage is that there is no diversity. Therefore, if a disease starts to wipe out the species, it will affect all of the organisms that the parent plant created.
