1930-1950 hope this helps
3. Coconut juice was not an effective way to get rid of the green slime.
4. Homer's hypotheses is incorrect, because the green slime had no change in appearance after the coconut juice treatment.
Answer:
Humans are most highly evolved and most complex animals
Across nearly seven million years, the human brain has tripled in size. The most likely the reason for the evolution of a larger brain in humans is that a larger brain allows humans to solve complex problems. Large, complex brains enable humans to process and store a lot of information and to interact with each other and with their surroundings better. The brain we now humans have is the largest and most complex of any living primate.