The mass extinction at the end of the ordovician set the stage for select one: o o o o o a. more species to go extinct b. groups of organisms to diversify c. groups of organisms to withdraw from previous habitats d. groups of organisms to repopulate abandoned niches e. b and d above

1) name any two states which are leading producer of cotton textile in india 2) wht information technology 3) name any two countries which are leading producers of cotton of cotton textile 4) wht is add to pig iron to convert it into steel

The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.