What is the biggest states when it comes to total area and the number of citizens? for your answer!

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

Which region was the hearth for the largest number of agricultural animals such as pigs sheep and cows

Most tornadoes carry winds speeds in a range of km per hour