Hybrids between grizzly and polar bears have been moving farther north. what do you predict about the migration of their hybrid zone over time?

a.

it will eventually completely overlap with the range of polar bears.

b.

it will eventually completely overlap with the range of grizzly bears.

c.

it will continue to move north as the more aggressive grizzly bears take over territory from the polar bears.

d.

it will change or remain the same in response to the environmental factors that contribute to the well-being of grizzly and polar bears.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Subduction zones form when an oceanic plate collides with another oceanic plate or continental plate. the continental crust is lighter and less dense than oceanic crust. continental crust's density is approximately 2.7 grams per cubic centimeter. oceanic crust is thinner and the average density is about 3.3 cubic centimeters. when the two crustal plates converge the oceanic plate always bends and subducts beneath a continental plate. once the oceanic crust subjects, the rocks are subjected to changes in heat and pressure. because of this, we would expect to find rocks in the area of a subduction. a) clastic b) igneous c) metamorphic d) sedimentary

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