I believe the answer would be B. someone correct me if I'm wrong.
Must be talc because it is one of the softest minerals
During mitosis the four centrioles appear visibly and move to the ends of the nucleus one pair at each end<span> then they produce a series of threads that attach to the chromosomes During cell division the threads split the chromosomes and drew them towards the centrioles</span>
Radiation. radiation is what causes heat, therefore the air would heat from the natural radiation.
It would be difficult to find the ideal CO2 level with a low light intensity because the plant will have a difficult time trying to survive.
