Answer:
The ability of chemotherapy to kill cancer cells depends on its ability to halt cell division. Usually, cancer drugs work by damaging the RNA or DNA that tells the cell how to copy itself in division. If the cancer cells are unable to divide, they die.
Answer:
casandra was scared around others
Explanation:
in the passage i notesed that she went to her locker and started crying
Dissolved O2 conc. in flask with algae will be higher since photosynthesis produces O2.