The answer is B to the question
C..........................................................................................................................................
The answer is Nuclear envelope.
Basically, the Nuclear envelope is an outer shell that protects the cell (which includes the dna) from any harmful things.
<span>Other factors found within its environment can make pioneer species still germinate and thrive. Factors like wind, presence of animals, rain, among others, can help in the germination of the pioneer species even if its immediate environment becomes inhospitable through time.</span>