Answer:
It contains 2 or 3 ppm of oxygen concentration.
Answer:
In Prophase of Mitosis cell division, the chromatin that is present in the nucleus starts condensation.
In Metaphase of mitosis, the chromosomes arrange itself at the equator or center of the cell.
In Anaphase, the daughter chromatids separate from each other and moves towards the poles. In Telophase of mitosis, the parent cell is divided into two daughter cells.
Answer:
D
Explanation:
This is because the atmosphere is refreshable and makes breathing so conducive.
