"I know the classics are important, I read mostly modern novels, I think modern literature is <span>more interesting" would be a run-on sentence, since this sentence is really dealing with three separate ideas (separated by the commas) that should be separated into different sentences. </span>
phytoplankton are scarce in remote ocean gyres due to nutrient limitations. Phytoplankton are most abundant (yellow, high chlorophyll) in high latitudes and in upwelling zones along the equator and near coastlines. They are scarce in remote oceans (dark blue), where nutrient levels are low.
The French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war's expenses led to colonial discontent, and ultimately to the American Revolution.
The Culper Spy Ring was assembled in 1778 by Major Benjamin Tallmadge (alias, John Bolton/721) at the request of General George Washington (711) and operated on Long Island (728) and New York City (727) during the Revolutionary War. Codes and aliases were used to conceal the identities of the members.