What did Ibn Battuta hope to accomplish? did he accomplish it?

Will have the greatest effect on human health. pollution in the a. troposphere b. stratosphere mesosphere d. thermosphere

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

Was the battle of iwo jima over after us troops raised the flag on mt. suribachi?