in europe the standard voltage in homes is 220 v instead of the 120 v used in the united states. therefore a "100 w" european bulb would be intended for use with a 220 v potential difference.

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.