Aperture and shutter speed are separate entities that do not affect each other in any way. true or false? and i need this really fast

Between 1518 and 1548, spanish conquistadores conquered most of the new world, motivated by the a) desire for scientific knowledge. b)  to urge to claim more territory for spain. c) belief that an all-water western route to the orient existed. d) desire to advance national glory, serve god, and seek personal wealth.

According to the world bank, e.u. remittances to senegal were $1,005,728,139$1,005,728,139 in 2015. senegal's gross domestic product (gdp) was $13,779,570,750$13,779,570,750 in 2015. what percentage of senegal's 2015 gdp is represented by the remittances? round your answer to one place after the decimal. remittances as percent of gdp: %% based on the washington post article, e.u. launches $2 billion plan to keep africans from migrating, which explanation correctly explains why senegal's government would or would not implement policies to restrict illegal migration from senegal to the european union? because remittances represent such a large percentage of senegal's gdp, senegal's government faces an incentive to do nothing to stop illegal migration to the european union. because remittances are sent from senegalese workers in senegal to their family members in the european union, senegal's government faces no incentive to crack down on illegal migration. because remittances represent such a small percentage of national income, senegal's government does not find it worth its time to implement policies to prevent illegal migration. because remittances are sent from senegalese workers in senegal to their family members in the european union, senegal's government faces a large incentive to crack down on illegal migration.

Which of these persons was a co-founder of twitter? eric schmidt jack dorsey tim cook paul alle