which is a metamorphic rock
A.granite
B.marble
C.pumice
D.sandstone
B. marble
an element is a non-metal, highly reactive, and it is gas at room temperature
which element has these properties?
A.argon (Ar)
B.barium(Ba)
C.carbon(C)
D.fluorine(F)
E.tungsten(W)
D. fluorine (F)
the seafloor spreads in opposite directions as magma forces its way upward geolostis have observed matching, reversed magnetic bands on both sides of this ridge. which is the best explanation of these matching, reversed bands?
A.magma is so hot that it mixes the magnetic direction
B.the pushing of lava and rock creates enough pressure to affect magnetic direction
C.the position of the earth in relation to other planets causes magnetic changes
D.the earth experiences cycles of magnetic poles reversing
E.the earthquakes resulting from the magma movement cause the magnetic changes
D. the earth experiences cycles of magnetic poles reversing
in which biome are minerals in soil most rapidly depleted
A.coniferous forest
B.decidous forest
C.desert
D.grassland
E.tropical rain forest
E. tropical rainforest
which sentence describes deposition changing the surface of earth
A.a river breaks away rocks to form a canyon
B.lava from a volcano cools to form an island
C.a delta is formed as a river flows into an ocean
D.a mountain range is formed as tectonic plates collide