Describe how plant fossils found at svalbard in norway gave evidence of drifting continents.
they were found only in that one location.
they were found in glacial deposits.
they were warm climate plants that would not grow in a cold polar area.
they were plants that became extinct millions of years earlier.
how were the himalayas formed?
when two plates collided with each other
due to a sudden shift along a transform boundary
due to an increase in volcanic activity
when a mid-ocean ridge split apart
identify the type of plate boundary that created the volcanoes of iceland.
a transverse boundary on land
a divergent boundary in the ocean
a convergent boundary on land
a divergent boundary on land
which features would you look for to classify a volcano? select the three correct answers.
height
steepness
color
type of lava
presence of foliage
age of rock
which information is needed to construct a geomagnetic time scale? select the two correct answers.
the length of the mid-oceanic ridge
the magnetic direction of rocks along the surface of earth
the average speed of tectonic plates on earth
the age of rocks along the surface of earth