Which basin is located in west africa and is covered in tropical rainforests?

a.

the okovango basin

b.

the congo basin

c.

the madagascar basin

d.

the nile basin

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

The european union was formally established in

At which boundary does subduction stop occurring, resulting in a mountain range?