In which plate boundary are no major land forms formed?
Constructive
Destructive
Collision
Conservative
Assertion (A): Volcanoes do not create fertile land in Iceland.Reason (R): The weather is too cold to weather the lava flows.
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
The scale used to measure the strength of an earthquake.
Richter scale
Mercalli scale
Beufort scale
Davis scale
Which of the following causes the movement of tectonic plates?
Conduction current
Convection current
Radiation
Tsunami
Which of the following statements is false about magma?
It is a layer of molten rock
Its temperature is about 2000oC
It is the same as the mantle
It rises to the Earth's surface during an eruption.
Which of the following is NOT a trigger for tsunami?
Undersea earthquakes
Landslides
The eruption of an oceanic volcano
Wind
