Inspired by the example of that great cornellian, vladimir nabokov, some of your friends have become amateur lepidopterists (they study butterflies). often when they return from a trip with specimens of butterflies, it is very difficult for them to tell how many distinct species they've caught— to the fact that many species look very similar to one another. solution

Testing the DNA and RNA of the butterflies and putting them into the computerized system with the name of the specific butterfly along with the sample DNA and RNA of the butterflies can correctly identify each of the species of butterflies and solve that problem.

Haiti's

Some foodstuffs are sold in rural markets and along roads. A mild arabica coffee is Haiti's main cash crop. Haitian farmers sell it through a system of intermediaries, speculators, and merchant houses. Sugarcane is the second major cash crop, but since the late 1970s Haiti has been a net importer of sugar.

Explanation: