Answer:
When populations are separated by a barrier forming a new species
Deltas and sand dunes form from erosion
<span>a river carrying dirt into a lake is a example of water erosion
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fossils can tell us about environments
when the oceanic and continental plate collide, the oceanic plate sinks below the continental plate
a footprint is a trace fossil
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Oxygen is made and so is glucose (its actually sugar, but glucose is better sounding) by combining carbon dioxide and water using light energy as a source of energy. Also like to make sugars.
Mosses,ferns and thallophytes
