Pupil! The pupil is the black hole that you see when you look into someone’s eye, the light passes through that hole first.
Cell wall is the answer pretty sure cuz that's found in plants
Answer:
I'm not 100% sure but I'm positive the answer was or is Methane, correct me if I'm wrong!
Answer:
Chromatids are the two different halves that compose the chromosome and contain the information that will later be translated into your genome.
Genome is all of the hereditary information that a human being carried.
Its the tropopause
hope this helps you