What factors threaten eastern europe's marine ecosystem? select all that apply. farming forestry industry tourism transportation wetlands

One is definitely tourism.

Explanation:

The factor that jeopardizes the ecosystem in Eastern Europe is the tourism industry. Individuals simply travel there and have a fabulous time yet they don't pay attention and leave beaches dirty. They are not dealing with nature and the administrations can't do much since sightseers leave a lot of money for the nations.

tourism eutrophication illegal fishing industry

Explanation:

im pretty sure its none of them

all 4 come together due to gravity

all objects have gravity, even atoms

but their gravitational force is very low and it takes a long time for them to become closer together