During sleep, your brain’s electrical activity goes through a five-phase cycle. A short afternoon catnap of 20 minutes yields mostly Stage 2 sleep, which enhances alertness and concentration, elevates mood, and sharpens motor skills. To boost alertness on waking, you can drink a cup of coffee before you nap.
A neutralization reaction is the reaction between an acid and a base to produce water and a salt. A salt is another name for an ionic compound and the specific salt produced depends on the acid and base involved. The product solution is neutral while the starting solutions are acidic and basic respectively.
The Statue of Liberty arrived in New York Harbor on June 19, 1885, as a gift of friendship from the people of France to the people of the United States. Sculptor Frederic-Auguste Bartholdi’s Liberty Enlightening the World measures 151 feet high and has come to symbolize freedom and democracy nationwide.