Why do the Caribbean islands have so much diversity?

What was one effect of european influence on southeast asia?

All of the following occurred due to the invention of the railroad except

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