Scientific ocean exploration began in the 19th century, using wooden sailing ships. At that time, explorers had none of the technological sophistication and tools available today. A comparison of modern-day exploration with the late 19-century journey of the HMS Challenger<span>illustrates the progress that science has made in ocean exploration.</span>
There are many different climate zones found in Europe. These include the Marine West Coast climate zone, the Humid Continental climate zone, the Mediterranean climate zone, the Subarctic and Tundra climate zone, and the Highland climate zone. There are more, but these are the main climate zone.
