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.
Scientists used case studies to help them determine that the right side of the body was connected to the left of the brain and vice versa. A case study is a process or record of research into the development of a particular person, group or situation of a given period of time.
I would say the answer is B.) There is data at this digit's location, although I have to admit I am not completely sure, nor really educated in this area. Sorry I couldn't be of more help. :)
Answer:
A conversion error between two measurement systems
Explanation: