How did economic differences between the north and the south lead to conflict? question 9 options: the south's shipping ports took business away from the north. The south's reliance on agriculture led to their dependence on slave labor. The north's development of industries polluted the environment

What happens to the composition of an atom to cause it to become positively or negatively charged?

"what factors influence the absorption of sunlight at earth's surface? "

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.