Aperson would most likely see small rodents such as rats and hedgehogs in this area due to considerable farming. 1. northern europe near the arctic circle. 2. northwestern europe. 3. the alps. 4. central portions of europe.

ANSWER:

A person would mostly see 'small rodents' like hedgehogs and rats in "Central portions of Europe" due to considerable farming.

EXPLANATION:

Central Europe is one of the major food producers of the world. Extensive farming is practiced in Central Europe and therefore small rodents can be spotted in this region. A wide variety of food crops are grown in 'Central Europe' like barley, buckwheat, hops etc. The presence of rodents is common in areas where farming is practiced on a 'significant scale' and therefore in Central Europe, one can find rats and hedgehogs usually on the fields.

Iam pretty sure it is c. 2000 bce

Answer decreased soil salinity;