The thickness of the ozone layerâthat is, the total amount of ozone in a column overheadâvaries by a large factor worldwide, being in general smaller near the equator and larger towards the poles. It also varies with season, being in general thicker during the spring and thinner during the autumn.
Report Abuse. How ever many you have-is your fleet of ships. The US Merchant Marines currently have 465 ships in their fleet. The US Navy has a fleet of 286 ships. A fleet is the total number of ships. It can be the total number of a nation, or can be a fleet of ships operating under the same ownership.
CONVICT SHIPS OF THE FIRST FLEET. The First Fleet consisted of Two Naval Escorts, Three Supply Ships and Six Transport Ships. The First Fleet carried more than 1300 people made up of: 569 male convicts, 191 female convicts, marines and their wives and children and government officials. CONVICT SHIPS.