Lesson Objectives. 1  List the main features of the seafloor: mid-ocean ridges, deep sea trenches, and abyssal plains. 2  Describe what seafloor magnetism tells scientists about the seafloor. 3  Describe the process of seafloor spreading.
Assignment Help. The average diameter of sand dollars on a certain island is 4.50 centimeters with a standard deviation of 1.00 centimeters. If 9 sand dollars are chosen at random for a collection, find the probability that the average diameter of those sand dollars is more than 4.13 centimeters.he average diameter of sand dollars on a certain island is 4.50 centimeters with a standard deviation of 1.00 centimeters.
Exchange rate for converting Canadian Dollar to Dominican Peso: 1 CAD = 35.16745 DOP. number of central banks keep Canadian dollars as a reserve currency. It's known locally as a buck or a loonie, with the two-dollar coin known as a toonie. 1  CAD RSS Feed. 2  Bank of Canada.