Connecting knowledge of other subjects with geography optional can greatly enhance your understanding and performance in the subject. Here are some ways to do so:

1. History and Geography:
History and geography are closely related subjects, and knowledge of one can greatly contribute to the other. For example, understanding historical events can provide insights into the formation of geographical boundaries, cultural landscapes, and the development of civilizations. Similarly, studying geography can help in understanding the historical context of different regions and how it has shaped their political, social, and economic characteristics.

2. Economics and Geography:
Economics and geography are interconnected disciplines. Economic activities such as trade, industrialization, and resource allocation are influenced by geographical factors such as location, climate, and natural resources. Understanding economic theories and concepts can help in analyzing the spatial distribution of economic activities and their impact on regional development and globalization.

3. Environmental Science and Geography:
Environmental science provides valuable insights into the physical processes and interactions of the Earth's systems. This knowledge can be applied to geography to understand environmental issues such as climate change, deforestation, pollution, and natural disasters. Understanding environmental science can help in analyzing the impact of human activities on the environment and formulating sustainable development strategies.

4. Sociology and Geography:
Sociology focuses on the study of society and human behavior, while geography examines the spatial dimension of social phenomena. The two subjects can be integrated to understand social processes and patterns in different regions. For example, studying sociology can help in analyzing urbanization, migration, social inequality, and cultural diversity, which are important topics in geography.

5. Geology and Geography:
Geology deals with the study of the Earth's structure, composition, and processes. This knowledge can be applied to geography to understand landforms, geological hazards, and the formation of natural resources. Understanding geology can help in analyzing the physical characteristics and geological history of different regions.

By integrating knowledge from various subjects, you can develop a holistic understanding of geography and its interdisciplinary nature. This will not only enhance your performance in the geography optional but also provide you with a broader perspective on the world and its complexities.