The more people that are migrating to urban areas (urbanization) needs more crops for the citizens which causes more people to grow crops and without crop rotating or methods to prevent soil degradation. More likely answer is that more industry grows in the urbanized areas and they have poor management of the soil which causes soil degradation<span />
C. deltas are a result of deposition. it looks like a triangle at the mouth of a river
Indentured servants. The headrights system allowed planters to be given 50 acres of land for every person they payed for to come over.
Answer: A
Explanation: this would contradict the Big Bang theory