A string has its 4th harmonic at 31.5 Hz. What is the frequency of its 3rd harmonic?
Unit= Hz

Asystematic approach to problem solving is called a (an)

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels. the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause, directly and indirectly, for such a rise in sea level is