Briefly describe why surveying may be characterized as both an art and science.

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

One of the main reasons the united states occupied japan after world war ii was that

¿qué parte de la patagonia está en peligro de exinción por su sobrepesca?