Answer:
The answer is 'B'- There is already soil present.
Explanation:
One of the biggest difference between primary succession and secondary succession is that primary succession occurs where there is zero availability of soil. In case of secondary succession, an already established community gets hampered due to <em>man made</em> activities or natural disasters like <em>flood, rain</em>, etc.
Since there is soil present in his farmland and vegetation is also available, it is the process of secondary succession.
Answer:
high porosity
you need high porosity and high permeability for have an aquifer, which would made the water flow.
It is the nucleus because it stores your DNA
I think it is 24 because it just is