Kemi is conducting a sociological research study on differences in interactions between similar and dissimilar co-workers. After reviewing the literature, she developed a hypothesis and operationalized the variables she will study. What is the next step Kemi should take in the scientific method

The answer would be hard press.

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.