What state has an acre of water for every 20 acres of land?

What is the correct order (starting from the surface) of warts layers

This country is the world's leading producer of cork?

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing