World Geography
The length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of
None of these
small, progressive changes in the earth's rotational speed
small, progressive change in earth's orbit around the sun
Andros island in the Bahamas has the largest collection of the blue holes. Andros is the largest island in the Bahamas and it more than 200 Blue Holes. Blue Holes are usually sink holes or underwater caves in shape of a circle.
EXAMIANS