How was the physical environment changed by the development of the Transcontinental Railroad? OA. Rivers changed course because of flooding.
OB. Snow was unable to accumulate because of tracks.
OC. Grass lands were more susceptible to erosion
OD. Parts of mountains were destroyed for tracks.

im not to sure

in night, why are wiesel and his father evacuated from the auschwitz concentration camp? a massive escape makes the nazis question the security of auschwitz. they are assigned to work as laborers in a factory at another camp, buna. hitler has ordered that all remaining jews be relocated within german borders. the german army needs the camp guards to go to the battle front for a last-chance defense.

an old man was walking on the street when a car was about to hit him matt murdock daredevil pused the old man out of the way and was hit instead.