1) A
2) B
3) C
4) D
5) E
6) F
7) G
8) H
The answers are already in the picture.
I would say DNA needs to be in a double helix so it can be unraveled and duplicated during cell mitosis
Answer:
Ca has 20 protons, so neutral it would have 20 electrons, but according to the charge, 2 electrons have been lost.
Explanation:
In my opinion, the correct answer among the choice given above is option D. It is advantageous for grazing mammals to gather in groups because groups <span>offer greater protection from predation. It protects them because predators will think twice in nearing the group because it is outnumbered.</span>
