Chapter ONE

1.1 Introduction
1.2 Background of study
1.3 Problem Statement
1.4 Objective of the study
1.5 Limitation of the study
1.6 Scope of the study
1.7 Significance of the study
1.8 Structure of the research
1.9 Definition of terms

Chapter TWO

2.1 Overview of hydrocarbon degradation
2.2 Types of hydrocarbons
2.3 Mechanisms of hydrocarbon degradation
2.4 Factors influencing hydrocarbon degradation
2.5 Sansevieria liberica and its characteristics
2.6 Effects of crude oil pollution on plants
2.7 Phytoremediation of crude oil pollution
2.8 Previous research on hydrocarbon accumulation
2.9 Role of microbes in hydrocarbon degradation
2.10 Importance of studying hydrocarbon degradation

Chapter THREE

3.1 Research methodology introduction
3.2 Research design and approach
3.3 Sampling techniques
3.4 Data collection methods
3.5 Data analysis procedures
3.6 Experimental setup
3.7 Variables and control measures
3.8 Ethical considerations in the research

Chapter FOUR

4.1 Analysis of research findings
4.2 Hydrocarbon degradation in Sansevieria liberica
4.3 Accumulation of hydrocarbons in polluted plants
4.4 Comparison with control plants
4.5 Effects of different hydrocarbon types
4.6 Microbial community analysis
4.7 Plant response to crude oil pollution
4.8 Discussion on the implications of findings

Chapter FIVE

5.1 Conclusion and summary of research
5.2 Summary of key findings
5.3 Interpretation of results
5.4 Theoretical implications
5.5 Practical implications
5.6 Recommendations for future research
5.7 Contribution to the field
5.8 Conclusion statement