cooked
how is a sedimentry rock made
compressed sediments
igneous rock
is cooled magma into a rock
metamaphoric
heats up then gets pressure
how are waterfalls made
diffrent types of erosion and softer rock erodes faster and a steep drop is made from hydraulic action
v shaped valleys
vertical erosion that cuts down and mass movement
how tivers shale the valely
continus erosion and they wear down mountains
what is onion skin weathering
a type of physical weathering which peels thin layers which lolks like an onion
acid rain
reacts with calcium carbonate and sulfur dioxide makes rain more acidic