This is false!
An important part of the Greek civilization was the island of Crete, which is not contiguous with the rest of the Peloponnese. Additionally there were other important sites of the Greek culture on other Islands in the Aegean Sea and in Turkey - we still find their ruins and remains today.
The word year is also used for periods loosely associated with, but not identical to, the calendar or astronomical year, such as the seasonal year, the fiscal year, the academic year, etc. Similarly, year can mean the orbital period of any planet; for example, a Martian year and a Venusian year are examples of the time a planet takes to transit one complete orbit. The term can also be used in reference to any long period or cycle, such as the Great Year.[2]
The term is upwelling that is the answer to your question.
They are made up of mainly hydrogen and helium. They are called the gas giants
The least developed nations tend to have lower levels of industrial activity, resulting in lower levels of environmental damage. The most developed countries have found ways of improving technology and energy efficiency to reduce their environmental impact while retaining high levels of production
