Answer: C.
because I translated it to what the answer is
The deep ocean vessels habe very thick windows and walls because the at very depth ocean the pressure is very high so the vessels should have very thick windows and walls to withstand the great pressure that is applied on the vessel. this also to insure the safety of the people inside it.
Answer:
Life Processing I Learnes this last year in 7 grades
1. Number of chromosomes in the parent cell is 46
2. Number of chromatids in daughter cells formed by first division is 46
3. Number of chromosomes in daughter cells formed by first division is 23
4. Number of chromosomes in daughter cells of second division 23
5. Number of haploid cells formed by meiotic division of parent cell is 4