Did - It was leased to the British until 1997, when it became a part of China again.
We should care about the earth every day, not just on a singular day. though it is a great thing to celebrate! the earth has given us so much and we should be more thankful and take better care of everything.
Its either the Yukon Territory or the Interior Plains... cant remember much sorry :)
The observation that Darwin made that suggested there had been geological changes in Earth's history were the giant tortoises. The correct option among all the options that are given in the question is the first option or option "A". Darwin was born on 12th of February in the year 1809 and died on 19th of April in the year 1882.
<span>Sand dunes move because of wind, so to prevent a sand dune from moving you need to either: stop the wind; or stop the sand dune from being able to move. For example, on beaches, sand is stopped from moving by using groynes, which physically stop the sand from being carried any further along the beach
(Copied from my comment, pasting it here because I know on mobile apps you can't see comments, so if anyone searches, etc.)</span>