I believe it’s the study of agriculture (c)
Answer:
it will be the answer B. scientists discover new elenents.
after the evolution of the first living cells, fermentation wasn't needed, because aerobic respiration was now doable, since there was more oxygen in the air now. also, as the temperature increases, it becomes more energy consuming to conduct fermentation over aerobic respiration.
Hope this helps :)
The heaviest bird of prey is the <span>condor. </span>