El Mar Mediterráneo es un mar que ha tenido una gran importancia para el desarrollo de la humanidad y de su cultura, siendo un lugar donde se crearon varias de las grandes civilizaciones que marcaron la historia.
Answer: climate change
Explanation: less rain means less water for consumption.
Tundra is the climate zone that <span>has cool summers, cold and harsh winters, a dry climate, and sparse vegetation. Tundra is basically the type of biome where the growth of trees are hindered due to very short growth season and extreme cold. I hope that this is the answer that has actually come to your help.</span>
The difference between a hypothesis and theory is that the hypothesis is based on observations, but doesn't have a solid proof, while the theory is based on solid proof.
So in order for the scientist to make his hypothesis into theory about the connection of all the Earth's oceans, will need to provide a proof. This proof can be obtained by a sea traveling that will be well documented, and during the travel the scientist to manage to sail through all of the Earth's oceans without having any physical obstacle between any of them.
