Theory states that earth's continents shift their positions because of currents in the molten magma of earth's mantle.
a. the plate tectonic
b. the continental drift
c. the land mass glide
d. the supercontinent

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

I’m his published 95 theses,martin luther protested against? a-the selling of indulgences within the catholic church b-the belief in predestination c-the worshipping of statues of saints d- the catholic church focus on faith as the sole means of salvation

The graph below plots the temperature and luminosity of stars on the main sequence.