Daily debate
cato's letters

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when was it written and who wrote it

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics