I would choose the option D.
D. It remains tightly coiled at the G1 phase.
Absorbing CO2 into the blood is a part of the respiratory system!
3 . Summer - Due to an increase in evaporation since it is hot .
They are lightweight yet strong and hard, and serve multiple functions. Bone tissue (osseous tissue) is a hard tissue, a type of dense connective tissue. It has a honeycomb-like matrix internally, which helps to give the bone rigidity. Bone tissue is made up of different types of bone cells.
hope this helps. :)
Fires in grasslands prevent the growth of shrubs. Plants can survive in these fires because most of them have parts underground, where fire cannot reach. Animals and runners aren't affected by this, because they can leave.