Every mass extinction leads to the rise of prominence of new groups of organisms. Using resources from the Internet, research what type of organisms were dominant after each of the five mass extinctions?

From the soviet point of view, which reagan policy most threatened to create a new arms race? a. strategic defense initiative b. u.s. support for israel c. aid to the anti-soviet rebels in afghanistan d. iran-contra scandal

Why was l ‘enfant dismisses from his job? what activity was it suppose to stop?me, i beg you

15 pt (more than one answer)what are some of the ways businesses increased productivity? -obtained new machinery -obtained new resources -obtained new technologies -found ways to make their workers more efficient