Cutting down the trees! (Stop cutting them down)
And human presence disrupting the ecosystem (let the environment be)
The correct answer is Sea of Japan - answer b) is the correct one!
This sea borders Japan, South and North Koreas, China and Russia.
This sea is named after Japan in most languages, not only in English.
South to it is the East China Sea, which separates China from Taiwan.
Transform vaults basically just rub against each other, they're moving in opposite directions.
The answer is ''a self-governing territory associated with another country'' so its ''b''