Which three political blocks the world was divided into between world war ii and 1991?
free-world bloc
european bloc
communist bloc
democratic bloc
third world bloc

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.

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity

Abird flies at a speed of 75 metres per second for 15 seconds, how far does the bird fly