I need help with number 4 plz help me

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0

Ineed a example for this test plz reflect on your decisions in the cases of hazelwood v. kuhlmeier and t.m. v. state of florida using the following questions: did your opinion reflect the majority or minority opinion on each case? did you tend to favor loose or strict interpretation of the laws and rights for each case? what factors most influenced your decision and interpretations in each cas