The research is about : The impact of ballast water on the marine life. Limitations Identify and explain within the context of the current study the disadvantages of all the methodological decision that you have taken. So what is the likely disadvantage of your selected... A. research approach B. research design C. the sampling technique and sample size D. the instrument that was used to collect the data E. method of collecting the data Essentially you are identifying how these choice may limit the type of data collected and also the context of interpreting the data