House sparrows in the northern part of north america are larger than those found in the southern regions. which mechanism of microevolution is more likely to be responsible for this?

Where were many of the arab trade routes established during the middle ages? a. by nile river delta b. near rivers and the coast c. along the persian gulf d. in the arabian desert

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work

What is “the compromise of 1850? ” *