The answer should be D. Hope that helps?
The Mantle.
The crust is the outside land part, the mantle is the lava part that the crust floats on, and the outer and inner core are more solid metals.
Chemical weathering would be the oxygen reaction.
Vladivostok is a city in Eastern Russia.
It is home to the Russian Pacific Fleet- so the answer is a.port
It's not a tourist resort - it's hard to reach and it's connected to the European part of Russia via the Trans-Siberian Railway. There is an airport, but not too many flights land in Vladivostok.
