Both federal and unitary states have advantages and disadvantages. While federal states provide opportunities for members to collaborate, unitary states create more centralized governments. Write a short paragraph evaluating unitary states and federal states. In your opinion, which type of state is a more effective way of managing a country's government?

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