Which scenario is most like the reason why revolutions started in nineteenth-century Europe? Workers believe that unions have too much power. Business owners feel that taxes are too high. Middle-class people believe that they are too poor. Citizens conclude that their elected leaders are too lazy.

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.