Answer:
A. Let the land lie fallow for a season.
Explanation:
In Agriculture when a farmer has some problems with the quality of his soil due to continued planting all year round without allowing the soil rest, there seems to be loss of some of the nutrients that help crops grow and he is unable to grow crops on his field.
The best option is to allow the land low fallow with grasses and other plants growing and replenishing the soil.
Awnser: I think it would be C
Explanation:
because some of the most traded items exported out of china is silk and carved ivory.
Controlled by supply and demand
An effect of the discovery of the New World in the late fifteenth century was a global exchange of plant life as different plants were transported to America where they thriwed, but different plants were also transported back to Europe and thriwed there as well.