Until the early Proterozic there were only negligible amounts of free oxygen in the atmosphere
Answer:
In the south more black and other races aside from white american population increasing
Explanation:
The answer is friction. As ocean wave approach the shoreline, they are affected by the sea bed through process such as refraction, shoaling, bottom friction and wave-breaking. However wave breaking also occurs in deep water when the waves re too steep. If the waves meet major structurer or abrupt changes in the coastline, they will be transformed by diffraction.
The answer would be D.
As for The other options, it cannot be A because there is no way we could know if they are exactly similar. B states they are dramatically different when there is obviously some similarity. C states that they are from the same time period, which is impossible as there is no way a layer of sedimentary rock can be the same age as current day mud. There are likely many layers above the studied area that can denote the age.
Answer:
Por qué sirven para ubicarse en la superficie terrestre. Es fundamental para la elaboración de mapas y es la base del GPS.
Explanation:
espero haber ayudado