The hazards of radiation belts include
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1) The longest river in the Common wealth of independent states is the
2) The northern portion of the western coastal plain is called
3) The time interval between one vernal equinox and the next is nearest to which of the following figures?
4) The imaginary axis at which the earth rotates remains inclined at an angle of ____ to the plane of earth's orbit.
5) The most recent and logical concept regarding the origin of ocean basins and continents is that of