A. is the best answer:
Bacteria typically have _one circular chromosome_, whereas eukaryotes have _many linear chromosomes_.
The umbra is the innermost and dark part of the shadow where like it’s created by any light source and is completely blocked by the occluding body. It’s a Latin term hope this helps man!
28km i believe but i could be wrong let me know if this helped or not:)
I think the answer is color