Answer:
Keeping lakes and rivers free of pollution.
Explanation:
A) The volume of trade between Europe and North America increased
Answer:
volcano
A volcano is most commonly a conical hill or mountain built around a vent that connects with reservoirs of molten rock below the surface of the Earth. The term volcano also refers to the opening or vent through which the molten rock and associated gases are expelled.
Explanation:
hope it helps, please mark as brainliest
Geothermal activity visible on the surface,acute to extreme seismographic readings. typically on the borders of tectonics plates. (Ring of fire)