How does the physical landscape make travel difficult for people in the western part of the South American continent?

There are too many rivers and no bridges for crossing them

The Andes Mountains limit the construction of roads and railroads

Capital cities are all located along the Pacific coast

Power lines are only located in capital cities and make communication almost
non-existent between towns.

All of the following are names of european islands except a. ireland b. iceland c. sicily d. jutland

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.

The largest internal organ in the frog is the