Choose all the answers that apply.
by what method do mountains form?
erosion
weathering
faulting
folding
magma pushing up the crust

how are sand dunes and deltas similar?
they are both formed by erosion.
they are both formed by weathering.
they both can be prevented by contour plowing.
they both have poor quality soil not suited for farming.

which of the following is an example of erosion?
a river carrying dirt into a lake
a volcano erupting and releasing lava
chemicals in water dissolving minerals in rock
friction between two rock surfaces grinding away minerals

which of the following is the most important condition for fossilization?
minerals in water
rapid burial
presence of oil or coal
large amounts of oxygen

deltas
form from deposited sediment
result from chemical weathering
form by volcanic eruptions
have very poor soil that cannot be used to grow crops

choose all the answers that apply.
fossils can tell us about:
climate
environment
organism structure
landforms
--
what happens when an oceanic and a continental plate collide?
the continental plate sinks below the oceanic plate
the oceanic plate sinks below the continental plate
mid-oceanic ridges are formed
the two plates break from the force

choose all the answers that apply.
which of the following fossils are trace fossils?
amber
footprint
bone
tooth
shell