You didnt even gave a question.Sorry but i cant answer.
They're celled subsistence farmers, their farming practice is subsistence farming, where most of the product they grew or reared are for themselves and their families, they usually don't take the products to the markets for commercial purposes, instead those who do that are practising commercial farming.
Secondary succession takes place in a grasslands and primary succession takes place in rocky desert.
Secondary succession also progresses faster.
Answer:
Each electron carrier alternates between being reduced and being oxidized.
Answer:
foooooooooooooooooor???????
